Overview

In todays workshop we will be looking to:

We will also see how to:

Distance-based trees

There are many ways to build a phylogenetic tree, and each one has its pros and cons. Here, we will cover two of these. UPGMA and NJ Trees can be built from any sequences, whether DNA, RNA, or protein. What you are tracking is the history of mutations. Today we will build trees using an available data set for mammalian DNA.

Download the data file GGH.dna (https://bit.ly/3n0ql1n). Upload this data to your RStudio server account or store this data in your RStudio/R working directory on your personal computer. Go ahead and click on this file. You should see this open a new text tab. You will notice that this file contains aligned gamma-glutamyl hydrolase genes from 40 mammalian species. (If you are unfamiliar with the Latin names of mammals, they are listed here: http://evolution.gs.washington.edu/gs570/2016/data/species)

The file starts with two numbers, which are the dimensions of the data matrix. The first number is the number of sequences (lines in this case) and the second number is the number of aligned base pairs.

To perform our exercise today, we will need to load a number of libraries using the following commands:

library(ape)
library(phangorn)
library(seqinr)
## 
## Attaching package: 'seqinr'
## The following objects are masked from 'package:ape':
## 
##     as.alignment, consensus

This loads the programs that we will be using and sets your working directory to the relevant folder. You may get an error message regarding seqinr and ape but you can ignore it. However, always make note of such conflicts in your own work. Which function, from which library, you use can have large (often unintentional) effects on your analysis.

Now execute:

mammals<-read.dna("GGH.dna",format="sequential")
mammals_phyDat<-phyDat(mammals,type="DNA",levels=NULL)

The first line of code reads the data file into the program and gives it a handy name (mammals). The second line of code converts the data file into a format that the program can manipulate. In other words, you have renamed your data file twice, first calling it mammals and then calling it mammals_phyDat.

Next type:

dna_dist<-dist.ml(mammals_phyDat)

This converts the original data matrix to a matrix of distances. To see what this looks like, type:

dna_dist
##                Dasypus    Echinops       Pongo   Ictidomys   Loxodonta
## Echinops   0.292734977                                                
## Pongo      0.202036851 0.242208060                                    
## Ictidomys  0.202149558 0.263548411 0.138162071                        
## Loxodonta  0.215647557 0.218454552 0.197325452 0.211277630            
## Canis      0.211008250 0.296077362 0.181132821 0.194594452 0.223778310
## Macaca     0.207406803 0.244066797 0.032021939 0.143236086 0.204196778
## Myotis     0.215647557 0.301572723 0.206213919 0.213304262 0.220346567
## Felis      0.212008981 0.281664453 0.191186094 0.187130807 0.228885559
## Macropus   0.419932722 0.453185956 0.368837072 0.415875515 0.420353141
## Callithrix 0.226710654 0.262651822 0.073439912 0.162381089 0.221060294
## Erinaceus  0.251809411 0.359679810 0.221378793 0.260640871 0.280574587
## Sorex      0.333407422 0.368640004 0.249168106 0.283237814 0.299767731
## Choloepus  0.149477029 0.287969177 0.200656474 0.200761054 0.219559031
## Nomascus   0.241055104 0.272937079 0.038786551 0.166639617 0.213362474
## Ornithorhy 0.421638950 0.435200874 0.405268478 0.421662818 0.398871008
## Vicugna    0.197134441 0.282224679 0.168984723 0.170339775 0.199277374
## Monodelphi 0.434221089 0.455741150 0.409138573 0.431316060 0.435111135
## Sarcophilu 0.439186648 0.465738550 0.403795432 0.427582077 0.437028046
## Cavia      0.271115497 0.337071172 0.244971614 0.242430634 0.290423016
## Equus      0.211008250 0.292098572 0.164034316 0.191873361 0.213923640
## Rattus     0.310797600 0.339180878 0.281639745 0.264048248 0.326918846
## Ochotona   0.199741145 0.281553781 0.179568939 0.165696750 0.233043121
## Gorilla    0.197361664 0.238885006 0.015666366 0.147350977 0.197860943
## Procavia   0.220349941 0.254397775 0.198684723 0.219273726 0.146071694
## Dipodomys  0.268532897 0.339180878 0.225196750 0.193262907 0.271586000
## Otolemur   0.275037075 0.337071172 0.178476776 0.220949452 0.251198391
## Microcebus 0.150503022 0.230991353 0.078638471 0.106637770 0.168725710
## Mus        0.286355518 0.347679552 0.272539532 0.271586000 0.320442821
## Pteropus   0.225903066 0.300077371 0.183768825 0.202909342 0.210505751
## Tursiops   0.200255378 0.290117065 0.182464379 0.191873361 0.209739529
## Tarsius    0.219865756 0.271620242 0.113339584 0.171915372 0.242406714
## Mustela    0.207564744 0.291002457 0.183768825 0.178350532 0.219740343
## Tupaia     0.243406132 0.370154570 0.238412338 0.250975270 0.298006951
## Ailuropoda 0.236189759 0.334619474 0.191249952 0.203411687 0.232224449
## Pan        0.202036851 0.245930152 0.016908078 0.139427360 0.195958709
## Bos        0.209205365 0.320403819 0.199993267 0.191873361 0.238084895
## Homo       0.202036851 0.245930152 0.016908078 0.141964361 0.197325452
## Oryctolagu 0.211008250 0.266738549 0.157560388 0.157369267 0.230897490
## Sus        0.209205365 0.298074700 0.195911624 0.204196778 0.215323547
##                  Canis      Macaca      Myotis       Felis    Macropus
## Echinops                                                              
## Pongo                                                                 
## Ictidomys                                                             
## Loxodonta                                                             
## Canis                                                                 
## Macaca     0.186473298                                                
## Myotis     0.165917747 0.206213919                                    
## Felis      0.120256988 0.188485821 0.169134214                        
## Macropus   0.418281907 0.368837072 0.438553411 0.436256333            
## Callithrix 0.178847830 0.087180754 0.223690833 0.218165946 0.401529692
## Erinaceus  0.224666470 0.216474143 0.257765811 0.230613525 0.449219974
## Sorex      0.270843305 0.267186991 0.277647726 0.266591015 0.414170522
## Choloepus  0.226876372 0.209915851 0.243495807 0.220372588 0.393233479
## Nomascus   0.198120341 0.053403335 0.220180678 0.212511900 0.376971642
## Ornithorhy 0.411424464 0.397138318 0.442985923 0.434415977 0.389557025
## Vicugna    0.147096010 0.174931235 0.166029054 0.147674567 0.420507428
## Monodelphi 0.435147372 0.410966728 0.452393500 0.442753265 0.169836211
## Sarcophilu 0.438943664 0.396601132 0.460133667 0.435147372 0.147117966
## Cavia      0.265530904 0.247874375 0.298615778 0.290851733 0.443133578
## Equus      0.154986383 0.162735052 0.181777369 0.167226648 0.413850580
## Rattus     0.304885407 0.286231596 0.315622237 0.310832438 0.483404611
## Ochotona   0.185501732 0.189483162 0.222119174 0.225428994 0.422875068
## Gorilla    0.175080008 0.043308650 0.204367069 0.191348420 0.381424780
## Procavia   0.220320839 0.210627651 0.234113452 0.216828736 0.410958273
## Dipodomys  0.238084895 0.222362547 0.262549746 0.250668310 0.459460039
## Otolemur   0.223551786 0.183798306 0.253193221 0.244429733 0.409445281
## Microcebus 0.132919878 0.076459820 0.183869131 0.190181695 0.363238536
## Mus        0.289308523 0.284697853 0.315622237 0.301343646 0.473734856
## Pteropus   0.154779709 0.185113513 0.147578585 0.168413258 0.402743684
## Tursiops   0.151141863 0.189157864 0.173805637 0.163306778 0.398543926
## Tarsius    0.171123928 0.121326880 0.217128914 0.200882791 0.385848298
## Mustela    0.092786568 0.181086658 0.167817847 0.102714714 0.431735183
## Tupaia     0.218152243 0.252229655 0.266306314 0.249858335 0.486623975
## Ailuropoda 0.102553787 0.196808965 0.177483179 0.104677792 0.401007630
## Pan        0.175830104 0.041901336 0.207595135 0.189834742 0.377205360
## Bos        0.170564615 0.205470243 0.204835242 0.185795235 0.443133578
## Homo       0.178476776 0.041901336 0.210365221 0.192539885 0.379312103
## Oryctolagu 0.174510262 0.167945668 0.211754111 0.188485821 0.431735183
## Sus        0.161438035 0.197269705 0.163306778 0.156818848 0.438553411
##             Callithrix   Erinaceus       Sorex   Choloepus    Nomascus
## Echinops                                                              
## Pongo                                                                 
## Ictidomys                                                             
## Loxodonta                                                             
## Canis                                                                 
## Macaca                                                                
## Myotis                                                                
## Felis                                                                 
## Macropus                                                              
## Callithrix                                                            
## Erinaceus  0.253200679                                                
## Sorex      0.250015485 0.309926366                                    
## Choloepus  0.195993787 0.304098831 0.279588900                        
## Nomascus   0.106431711 0.243831353 0.245615701 0.234360890            
## Ornithorhy 0.428594827 0.410685176 0.454476738 0.378008466 0.410509271
## Vicugna    0.209047292 0.212473106 0.201999700 0.215761554 0.190175009
## Monodelphi 0.414159738 0.463483228 0.489049362 0.394184204 0.442933510
## Sarcophilu 0.418940630 0.449781982 0.486381143 0.399220436 0.430495007
## Cavia      0.251942761 0.310074958 0.318117930 0.294651540 0.265177965
## Equus      0.184089552 0.236288174 0.269012920 0.223074083 0.184812944
## Rattus     0.285303396 0.349567297 0.391715300 0.323985342 0.298088496
## Ochotona   0.223375833 0.242361867 0.218932806 0.213218563 0.210580442
## Gorilla    0.076471750 0.221996548 0.231121234 0.209251611 0.049197962
## Procavia   0.191729771 0.315824865 0.322038969 0.203855211 0.196318791
## Dipodomys  0.232240625 0.304098831 0.313325234 0.263325118 0.243069327
## Otolemur   0.196464612 0.281103342 0.276361417 0.221180142 0.208636287
## Microcebus 0.085046755 0.206608293 0.192976853 0.165449611 0.119643424
## Mus        0.273358883 0.328384888 0.355843484 0.319640652 0.284528804
## Pteropus   0.201831361 0.219975915 0.262330140 0.237647824 0.202707804
## Tursiops   0.194684196 0.234616864 0.274517532 0.226876372 0.198120341
## Tarsius    0.133854160 0.223942941 0.235549229 0.201623100 0.140454046
## Mustela    0.192907996 0.224940081 0.278946204 0.216587091 0.205736582
## Tupaia     0.287876137 0.295527309 0.251574552 0.298613232 0.241624180
## Ailuropoda 0.212055228 0.239692648 0.301787581 0.228404391 0.180254031
## Pan        0.071928576 0.218105465 0.250950638 0.206198371 0.047278352
## Bos        0.210862175 0.254922673 0.289397127 0.248140683 0.219301779
## Homo       0.071928576 0.219740343 0.256323795 0.208054807 0.047278352
## Oryctolagu 0.187604497 0.241324567 0.259927406 0.230698037 0.173179167
## Sus        0.198249265 0.234616864 0.261735725 0.228784770 0.214712270
##             Ornithorhy     Vicugna  Monodelphi  Sarcophilu       Cavia
## Echinops                                                              
## Pongo                                                                 
## Ictidomys                                                             
## Loxodonta                                                             
## Canis                                                                 
## Macaca                                                                
## Myotis                                                                
## Felis                                                                 
## Macropus                                                              
## Callithrix                                                            
## Erinaceus                                                             
## Sorex                                                                 
## Choloepus                                                             
## Nomascus                                                              
## Ornithorhy                                                            
## Vicugna    0.417631396                                                
## Monodelphi 0.384913477 0.430239115                                    
## Sarcophilu 0.367411837 0.419859610 0.167688424                        
## Cavia      0.458181812 0.260196454 0.467992285 0.438943664            
## Equus      0.436566483 0.164555576 0.427623797 0.425801901 0.261077650
## Rattus     0.478320244 0.297455741 0.543038658 0.498218001 0.340337764
## Ochotona   0.432436549 0.193485840 0.435253381 0.452086695 0.296578521
## Gorilla    0.401192382 0.167505432 0.413077411 0.411230890 0.240815488
## Procavia   0.439455596 0.179268368 0.477404741 0.439731761 0.294613610
## Dipodomys  0.458244696 0.234884261 0.498599118 0.470064475 0.285790989
## Otolemur   0.464789784 0.243657747 0.458181812 0.460071822 0.283613146
## Microcebus 0.380143023 0.164049645 0.370706042 0.374330055 0.235837966
## Mus        0.453855510 0.297455741 0.527864730 0.508570132 0.312796873
## Pteropus   0.415467600 0.152020306 0.435111135 0.435129311 0.276611884
## Tursiops   0.415556706 0.117486901 0.429497627 0.422089022 0.277537164
## Tarsius    0.409535292 0.199099199 0.374966961 0.384030516 0.239352763
## Mustela    0.421798073 0.157231299 0.438925510 0.431346201 0.264545259
## Tupaia     0.505260628 0.271653930 0.480890581 0.504758170 0.308313641
## Ailuropoda 0.398744783 0.152205633 0.443464673 0.459326841 0.277225566
## Pan        0.399162610 0.166029054 0.418324236 0.414717955 0.244971614
## Bos        0.403227661 0.151422945 0.464052683 0.465938866 0.292820423
## Homo       0.397138318 0.164555576 0.423890125 0.416553941 0.240638429
## Oryctolagu 0.442985923 0.167505432 0.454293274 0.454250318 0.259599089
## Sus        0.415556706 0.118870666 0.446576164 0.440839999 0.279051551
##                  Equus      Rattus    Ochotona     Gorilla    Procavia
## Echinops                                                              
## Pongo                                                                 
## Ictidomys                                                             
## Loxodonta                                                             
## Canis                                                                 
## Macaca                                                                
## Myotis                                                                
## Felis                                                                 
## Macropus                                                              
## Callithrix                                                            
## Erinaceus                                                             
## Sorex                                                                 
## Choloepus                                                             
## Nomascus                                                              
## Ornithorhy                                                            
## Vicugna                                                               
## Monodelphi                                                            
## Sarcophilu                                                            
## Cavia                                                                 
## Equus                                                                 
## Rattus     0.303313079                                                
## Ochotona   0.230505006 0.305267966                                    
## Gorilla    0.163973836 0.273082442 0.185501732                        
## Procavia   0.213039228 0.350505384 0.209220315 0.186759698            
## Dipodomys  0.255621009 0.300940932 0.236022390 0.225078444 0.259518082
## Otolemur   0.229204191 0.324015031 0.230505006 0.179287593 0.191609199
## Microcebus 0.142361387 0.262301273 0.160227631 0.085212655 0.156288302
## Mus        0.304885407 0.147829015 0.324226322 0.265129027 0.324837480
## Pteropus   0.183768825 0.310832438 0.198566618 0.185634107 0.231619684
## Tursiops   0.177152272 0.297056526 0.193485840 0.176479915 0.220320839
## Tarsius    0.195544690 0.273974295 0.194563650 0.116524303 0.212980496
## Mustela    0.163882551 0.300940932 0.205623664 0.180643544 0.228117682
## Tupaia     0.255724128 0.362569987 0.273582010 0.240125646 0.244066796
## Ailuropoda 0.162278336 0.346207378 0.217270379 0.189483162 0.228739381
## Pan        0.162735052 0.278594055 0.185501732 0.004442806 0.196318791
## Bos        0.213761437 0.300178279 0.193485840 0.203587003 0.247641740
## Homo       0.164034316 0.280115354 0.185501732 0.005557632 0.198684723
## Oryctolagu 0.199993267 0.283167240 0.110013808 0.151672877 0.220320839
## Sus        0.161438035 0.309622265 0.197509994 0.193485840 0.230140946
##              Dipodomys    Otolemur  Microcebus         Mus    Pteropus
## Echinops                                                              
## Pongo                                                                 
## Ictidomys                                                             
## Loxodonta                                                             
## Canis                                                                 
## Macaca                                                                
## Myotis                                                                
## Felis                                                                 
## Macropus                                                              
## Callithrix                                                            
## Erinaceus                                                             
## Sorex                                                                 
## Choloepus                                                             
## Nomascus                                                              
## Ornithorhy                                                            
## Vicugna                                                               
## Monodelphi                                                            
## Sarcophilu                                                            
## Cavia                                                                 
## Equus                                                                 
## Rattus                                                                
## Ochotona                                                              
## Gorilla                                                               
## Procavia                                                              
## Dipodomys                                                             
## Otolemur   0.251198391                                                
## Microcebus 0.213459426 0.147127090                                    
## Mus        0.283806230 0.320792684 0.279315235                        
## Pteropus   0.250668310 0.226617878 0.150503021 0.304493257            
## Tursiops   0.242430634 0.243524436 0.154332910 0.298615778 0.175750931
## Tarsius    0.216333324 0.179754633 0.102956675 0.283881969 0.192006948
## Mustela    0.250135241 0.239530679 0.154332910 0.300940932 0.159790150
## Tupaia     0.291087352 0.284282010 0.255795537 0.342568802 0.256867732
## Ailuropoda 0.282850951 0.275158025 0.179153122 0.334894931 0.169253998
## Pan        0.225196750 0.179803623 0.080823469 0.268030500 0.185113513
## Bos        0.255621009 0.270010758 0.183869131 0.303313079 0.182426542
## Homo       0.225196750 0.179803623 0.083014851 0.266533494 0.186460617
## Oryctolagu 0.200066433 0.212373191 0.125915936 0.277075836 0.190516508
## Sus        0.239530679 0.242080044 0.178864942 0.309622265 0.161270446
##               Tursiops     Tarsius     Mustela      Tupaia  Ailuropoda
## Echinops                                                              
## Pongo                                                                 
## Ictidomys                                                             
## Loxodonta                                                             
## Canis                                                                 
## Macaca                                                                
## Myotis                                                                
## Felis                                                                 
## Macropus                                                              
## Callithrix                                                            
## Erinaceus                                                             
## Sorex                                                                 
## Choloepus                                                             
## Nomascus                                                              
## Ornithorhy                                                            
## Vicugna                                                               
## Monodelphi                                                            
## Sarcophilu                                                            
## Cavia                                                                 
## Equus                                                                 
## Rattus                                                                
## Ochotona                                                              
## Gorilla                                                               
## Procavia                                                              
## Dipodomys                                                             
## Otolemur                                                              
## Microcebus                                                            
## Mus                                                                   
## Pteropus                                                              
## Tursiops                                                              
## Tarsius    0.172842141                                                
## Mustela    0.159967797 0.192006948                                    
## Tupaia     0.257477489 0.269530501 0.245289177                        
## Ailuropoda 0.169416997 0.224603911 0.071085914 0.187024545            
## Pan        0.175830104 0.114930253 0.182426542 0.238412338 0.189406067
## Bos        0.128479627 0.206259158 0.170452896 0.252229655 0.176624260
## Homo       0.181132821 0.114930253 0.185113513 0.240125646 0.193098382
## Oryctolagu 0.173192738 0.181492756 0.182426542 0.240125646 0.206166541
## Sus        0.116179228 0.179754633 0.165192023 0.257477489 0.176624260
##                    Pan         Bos        Homo  Oryctolagu
## Echinops                                                  
## Pongo                                                     
## Ictidomys                                                 
## Loxodonta                                                 
## Canis                                                     
## Macaca                                                    
## Myotis                                                    
## Felis                                                     
## Macropus                                                  
## Callithrix                                                
## Erinaceus                                                 
## Sorex                                                     
## Choloepus                                                 
## Nomascus                                                  
## Ornithorhy                                                
## Vicugna                                                   
## Monodelphi                                                
## Sarcophilu                                                
## Cavia                                                     
## Equus                                                     
## Rattus                                                    
## Ochotona                                                  
## Gorilla                                                   
## Procavia                                                  
## Dipodomys                                                 
## Otolemur                                                  
## Microcebus                                                
## Mus                                                       
## Pteropus                                                  
## Tursiops                                                  
## Tarsius                                                   
## Mustela                                                   
## Tupaia                                                    
## Ailuropoda                                                
## Pan                                                       
## Bos        0.197269705                                    
## Homo       0.004191419 0.201358766                        
## Oryctolagu 0.152421181 0.190503760 0.154986383            
## Sus        0.194555998 0.153702685 0.194555998 0.190503760

Which writes the matrix to the screen. The matrix is large so it wraps around and is a little hard to read. Scroll to the top of the output so you can see the beginning of the matrix. The first column of numbers is labeled Dasypus, the second is Echinops, the third is Pongo, etc. The species names are in the same order down the left side of the matrix. This shows you that the distance between Dasypus (armadillo) and Echinops (tenrec) is 0.292605364, that between Dasypus (armadillo) and Pongo (orangutan) is 0.202628039, etc.


Question 1

What sequences are most distant from Dasypus? What do those animals have in common?


Now use the distance matrix to produce a tree. We will compare two trees, one produced by the Unweighted Pair Group Method with Averaging (UPGMA), and one produced by the Neighbor Joining (NJ) method.

mammals_UPGMA<-upgma(dna_dist)

To see this tree:

plot(mammals_UPGMA)

To save the tree, do it two ways.

First, just save as a pdf, using the Export menu in your Plots menu.

Second, write it to a file:

write.tree(mammals_UPGMA,file="UPGMA_tree")

You can download this file to your desktop via the Files panel (same window that you can visualize your plots). Files -> More -> Export. You can use this tree file to view your tree in tree viewing software such as FigTree (http://tree.bio.ed.ac.uk/software/figtree/).

Now produce a neighbor-joining tree:

mammals_NJ<-NJ(dna_dist)
plot(mammals_NJ)

Save the plot as a pdf and

write.tree(mammals_NJ,file="NJ_tree")

Now, let’s compare the two trees.


Question 2: What is different? What is the same?


Sometimes, it is useful to redefine the root of a tree (or reroot a tree). Let’s take a look at how we can do this in R.

First, plot your tree as we’ve done before. Except, now we will use an additional command from the ape package called nodelabels(). This will label all tree nodes with their numerical node ID in the tree. We can then use this node ID to define the root of the tree at this node.

plot(mammals_NJ)
nodelabels()

Now, let’s reroot the tree around node 77 (the clade with marsupials). It is often best to export these labeled trees to a PDF to see them more clearly.

marsupial_rooted_NJ <- root(mammals_NJ, node = 77)
plot(marsupial_rooted_NJ)

See if you can do the same for your UPGMA tree!

Maximum likelihood trees, maximum parsimony trees, and bootstrapping

We just built phylogenetic trees using the clustering algorithms UPGMA and neighbor joining. Now, we will use the same data set, GGH.dna, to build a tree using maximum likelihood and maximum parsimony. We will also do a bootstrap analysis.

Maximum likelihood

To get started, let’s do a preliminary neighbor-joining tree. This is exactly as we did above. We need to make this tree as a starting point for a maximum likelihood optimization of the tree.

dna_dist<-dist.ml(mammals_phyDat)
mammals_NJ<-NJ(dna_dist)

Now we can calculate the likelihood of the NJ tree.

fit<-pml(mammals_NJ, mammals_phyDat)
print(fit)
## 
##  loglikelihood: -15999.05 
## 
## unconstrained loglikelihood: -6087.627 
## 
## Rate matrix:
##   a c g t
## a 0 1 1 1
## c 1 0 1 1
## g 1 1 0 1
## t 1 1 1 0
## 
## Base frequencies:  
## 0.25 0.25 0.25 0.25

The output will give you a loglikelihood. Write down this number somewhere.

Now see if you can improve the likelihood of the NJ tree by adjusting the tree topology and branch lengths. This, in effect, is the process of maximum likelihood optimization. Let’s do this first using a Jukes-Cantor model of evolution.

fitJC<-optim.pml(fit,model="JC",rearrangement="stochastic")
## optimize edge weights:  -15999.05 --> -15909.49 
## optimize edge weights:  -15909.49 --> -15909.49 
##  optimize topology:  -15909.49 --> -15881.9 
##  optimize topology:  -15881.9 --> -15876.25 
##  optimize topology:  -15876.25 --> -15866.6 
##  optimize topology:  -15866.6 --> -15854.15 
##  optimize topology:  -15854.15 --> -15848.86 
## NNI moves:  12 
## optimize edge weights:  -15848.86 --> -15848.86 
##  optimize topology:  -15848.86 --> -15841.21 
##  optimize topology:  -15841.21 --> -15837.22 
##  optimize topology:  -15837.22 --> -15833.67 
##  optimize topology:  -15833.67 --> -15830.68 
##  optimize topology:  -15830.68 --> -15821.98 
## NNI moves:  7 
## optimize edge weights:  -15821.98 --> -15821.98 
##  optimize topology:  -15821.98 --> -15818.52 
##  optimize topology:  -15818.52 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  2 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  0 
## -16590.2  ->  -16577.1 
## -16588.41  ->  -16575.01 
## -16588.94  ->  -16575.01 
## -16533.94  ->  -16531.02 
## -16572.74  ->  -16557.79 
## -16578.21  ->  -16563.22 
## -16578.49  ->  -16563.64 
## -16562.43  ->  -16558.54 
## -16578.45  ->  -16562.31 
## -16578.61  ->  -16573.85 
## -16581.57  ->  -16575.03 
## -16566.58  ->  -16564.67 
## -16570.2  ->  -16565.8 
## -16580.69  ->  -16572.1 
## -16606.65  ->  -16540.69 
## -16610.04  ->  -16540.69 
## -16507.55  ->  -16414.98 
## -16565.45  ->  -16482.9 
## -16592.66  ->  -16506.71 
## -16566.7  ->  -16500.78 
## -16579.03  ->  -16575.13 
## -16596.05  ->  -16574.06 
## -16532.41  ->  -16525.79 
## -16579.53  ->  -16563.8 
## -16580.77  ->  -16575.57 
## -16583.63  ->  -16576.98 
## -16555.55  ->  -16555.54 
## -16575.9  ->  -16571.67 
## -16560.72  ->  -16552.08 
## -16577.96  ->  -16572.53 
## -16585.14  ->  -16573.91 
## -16588.14  ->  -16575.75 
## -16601.13  ->  -16539.03 
## -16597.74  ->  -16537.31 
## -16405.57  ->  -16405.46 
## -16563.86  ->  -16486.67 
## -16578.77  ->  -16565.12 
## -16573.24  ->  -16559.46 
## optimize edge weights:  -16097.9 --> -16066.45 
##  optimize topology:  -16578.44 --> -16066.45 
## -16064.71  ->  -16059.95 
## -16065.17  ->  -16061 
## -16066.45  ->  -15938.49 
## -16066.45  ->  -16065.84 
## -16066.45  ->  -16063.58 
## -16066.45  ->  -16033 
## -16064.05  ->  -16063.94 
## -16057.5  ->  -16052.25 
## -16063.99  ->  -16062.14 
## optimize edge weights:  -15884.25 --> -15880.19 
##  optimize topology:  -16066.45 --> -15880.19 
## -15880.19  ->  -15880.19 
## -15880.19  ->  -15880.19 
## -15880.19  ->  -15877.56 
## -15880.19  ->  -15879.51 
## -15878.09  ->  -15877.81 
## -15878.18  ->  -15877.7 
## -15870.81  ->  -15867.49 
## -15877.62  ->  -15875.68 
## -15877.28  ->  -15877.13 
## optimize edge weights:  -15864.87 --> -15864.69 
##  optimize topology:  -15880.19 --> -15864.69 
## -15864.69  ->  -15864.69 
## -15864.69  ->  -15864.69 
## -15864.69  ->  -15839.99 
## -15864.69  ->  -15863.93 
## -15861.77  ->  -15861.63 
## -15864.68  ->  -15864.6 
## -15862.04  ->  -15859.95 
## optimize edge weights:  -15836.82 --> -15836.49 
##  optimize topology:  -15864.69 --> -15836.49 
## -15827.94  ->  -15815.62 
## optimize edge weights:  -15815.62 --> -15815.55 
##  optimize topology:  -15836.49 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  16 
## [1] "Ratchet iteration  1 , best pscore so far: -15815.5475996227"
## -16093.06  ->  -16090.17 
## -16084.37  ->  -16084.32 
## -16092.38  ->  -16089.83 
## -16094.35  ->  -16070.53 
## -16088.97  ->  -16066.89 
## -16084.14  ->  -16059.97 
## -16019.2  ->  -16014.44 
## -16091.4  ->  -16090.24 
## -16099.04  ->  -16080.58 
## -16099.69  ->  -16080.58 
## -16091.62  ->  -16091.5 
## -16091.61  ->  -16091.5 
## -16058.45  ->  -16057.75 
## -16080.87  ->  -16071.61 
## -16074.78  ->  -16072.81 
## -16088.63  ->  -16082.79 
## -16090.44  ->  -16087.42 
## -16094.6  ->  -16090.81 
## -16098.02  ->  -16090.7 
## -16094.11  ->  -16089.38 
## -16082.53  ->  -16075.28 
## -16091.64  ->  -16083.2 
## -16088.64  ->  -16085.81 
## -16088.72  ->  -16085.48 
## -16088.31  ->  -16083.37 
## -16095.19  ->  -16087.94 
## -16096.26  ->  -16082.04 
## -16087.79  ->  -16075.5 
## -16086.64  ->  -16074.84 
## -16095.3  ->  -16083.95 
## -16066.03  ->  -16065.28 
## -16097.15  ->  -16084.15 
## -16081.05  ->  -16077.21 
## -16093.71  ->  -16085.59 
## -16073.35  ->  -16069.69 
## -16092.4  ->  -16083.4 
## optimize edge weights:  -15940.11 --> -15912.33 
##  optimize topology:  -16091.5 --> -15912.33 
## -15903.73  ->  -15897.2 
## -15910.08  ->  -15909.39 
## -15904.49  ->  -15900.72 
## -15910.71  ->  -15909.47 
## -15912.33  ->  -15907.1 
## -15912.33  ->  -15912.33 
## -15900.77  ->  -15894.8 
## -15909.93  ->  -15907.03 
## -15912.05  ->  -15911.4 
## -15905.6  ->  -15902.65 
## -15905.84  ->  -15894.73 
## -15912.15  ->  -15912.13 
## optimize edge weights:  -15850.11 --> -15849.63 
##  optimize topology:  -15912.33 --> -15849.63 
## -15850.14  ->  -15848.75 
## -15849.63  ->  -15843.21 
## -15847.78  ->  -15844.59 
## -15849.69  ->  -15849 
## -15850.06  ->  -15848.96 
## -15840.55  ->  -15834.89 
## optimize edge weights:  -15828.6 --> -15828.38 
##  optimize topology:  -15849.63 --> -15828.38 
## -15828.23  ->  -15827.81 
## -15827.95  ->  -15827 
## -15827.08  ->  -15826.23 
## -15827.68  ->  -15826.65 
## optimize edge weights:  -15826.23 --> -15826.18 
##  optimize topology:  -15828.38 --> -15826.18 
## optimize edge weights:  -15826.18 --> -15826.18 
##  optimize topology:  -15826.18 --> -15826.18 
## NNI moves:  13 
## [1] "Ratchet iteration  2 , best pscore so far: -15815.5475996227"
## -16685.55  ->  -16683.44 
## -16690.07  ->  -16687.22 
## -16696.67  ->  -16644.03 
## -16663.64  ->  -16631.77 
## -16543.23  ->  -16460.61 
## -16808.53  ->  -16522.22 
## -16563.68  ->  -16473.34 
## -16749.27  ->  -16538.95 
## -16510.28  ->  -16299.09 
## -16699.27  ->  -16549.91 
## -16705.79  ->  -16653.88 
## -16691.71  ->  -16642.81 
## -16686.39  ->  -16686.05 
## -16688.49  ->  -16686.8 
## -16693.17  ->  -16693.08 
## -16693.35  ->  -16693.23 
## -16678.71  ->  -16678.71 
## -16693.74  ->  -16688.26 
## -16694.29  ->  -16694.09 
## -16694.24  ->  -16694.09 
## -16670.34  ->  -16670.26 
## -16688.64  ->  -16684.45 
## -16692.61  ->  -16678.19 
## -16700  ->  -16682.76 
## -16653.23  ->  -16653.13 
## -16683.4  ->  -16673.49 
## -16694.03  ->  -16691.26 
## -16676.37  ->  -16676.29 
## -16699.36  ->  -16693.17 
## -16692.03  ->  -16691.5 
## -16692.28  ->  -16692 
## optimize edge weights:  -16203.56 --> -16154.7 
##  optimize topology:  -16694.14 --> -16154.7 
## -16154.29  ->  -16154.2 
## -16151.28  ->  -16142.14 
## -16154.7  ->  -15968.56 
## -16151.86  ->  -16151.31 
## -16153.94  ->  -16153.92 
## -16143.88  ->  -16139.25 
## -16152.83  ->  -16151.89 
## optimize edge weights:  -15946.23 --> -15920.58 
##  optimize topology:  -16154.7 --> -15920.58 
## -15913.07  ->  -15898.49 
## -15913.07  ->  -15844.31 
## -15919.02  ->  -15918.59 
## optimize edge weights:  -15842.29 --> -15841.19 
##  optimize topology:  -15920.58 --> -15841.19 
## -15831.71  ->  -15816.5 
## -15839.44  ->  -15837.22 
## -15840.95  ->  -15840.31 
## optimize edge weights:  -15815.81 --> -15815.55 
##  optimize topology:  -15841.19 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  14 
## [1] "Ratchet iteration  3 , best pscore so far: -15815.547426795"
## -16276.06  ->  -16268.49 
## -16276.15  ->  -16267.11 
## -16272.73  ->  -16267.02 
## -16273.66  ->  -16268.68 
## -16273.93  ->  -16271.09 
## -16259.1  ->  -16217.82 
## -16270.64  ->  -16226.8 
## -16352.01  ->  -16259.5 
## -16354.55  ->  -16259.5 
## -16021.27  ->  -16020.85 
## -16250.8  ->  -16151.81 
## -16322.19  ->  -16259.83 
## -16327.36  ->  -16259.04 
## -16256.82  ->  -16250.82 
## -16271.21  ->  -16266.06 
## -16271.57  ->  -16266.82 
## -16276.54  ->  -16269.28 
## -16268.42  ->  -16258.19 
## -16271.18  ->  -16261.86 
## -16272.43  ->  -16263.98 
## -16280.65  ->  -16264.36 
## -16256.24  ->  -16256.21 
## -16271.55  ->  -16268.13 
## -16269.39  ->  -16266.23 
## -16273.41  ->  -16269.54 
## -16272.64  ->  -16270.1 
## -16263.67  ->  -16256.15 
## -16264.61  ->  -16257.54 
## -16253.1  ->  -16253.04 
## -16275.94  ->  -16269.03 
## -16271.12  ->  -16257.33 
## -16277.25  ->  -16263.95 
## -16273.07  ->  -16269.52 
## -16271.02  ->  -16266.98 
## -16249.46  ->  -16249.44 
## -16271.72  ->  -16266.27 
## -16268.49  ->  -16268.48 
## -16270.14  ->  -16269.5 
## optimize edge weights:  -15945.96 --> -15919.98 
##  optimize topology:  -16271.18 --> -15919.98 
## -15917.33  ->  -15915.39 
## -15919.24  ->  -15919.17 
## -15918.45  ->  -15918.11 
## -15916.39  ->  -15915.7 
## -15919.79  ->  -15919.73 
## -15901.77  ->  -15885.11 
## -15911.87  ->  -15907.8 
## -15918.35  ->  -15917.25 
## -15910.91  ->  -15906.19 
## -15917.3  ->  -15916.95 
## optimize edge weights:  -15854.55 --> -15854.11 
##  optimize topology:  -15919.98 --> -15854.11 
## -15851.33  ->  -15849.68 
## -15850.67  ->  -15832 
## -15853.3  ->  -15852.55 
## -15854.11  ->  -15854.11 
## -15854.11  ->  -15854.11 
## -15850.79  ->  -15850.05 
## optimize edge weights:  -15823.56 --> -15823.45 
##  optimize topology:  -15854.11 --> -15823.45 
## -15821.96  ->  -15815.57 
## optimize edge weights:  -15815.57 --> -15815.55 
##  optimize topology:  -15823.45 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  15 
## [1] "Ratchet iteration  4 , best pscore so far: -15815.547426795"
## -16422.12  ->  -16352.45 
## -16405.83  ->  -16352.26 
## -16392.54  ->  -16373.53 
## -16394.93  ->  -16376.54 
## -16238.43  ->  -16238.21 
## -16406.73  ->  -16316.99 
## -16395.54  ->  -16381.66 
## -16387.69  ->  -16376.21 
## -16425.12  ->  -16386.98 
## -16427.52  ->  -16387.53 
## -16388.46  ->  -16387.76 
## -16391.83  ->  -16390.01 
## -16392.18  ->  -16372.16 
## -16403.76  ->  -16377.8 
## -16367.85  ->  -16354.33 
## -16377.23  ->  -16362.47 
## -16396.54  ->  -16363.84 
## -16391.76  ->  -16358.94 
## -16370.13  ->  -16346.01 
## -16394.91  ->  -16370.03 
## -16423.33  ->  -16391.45 
## -16421.41  ->  -16391.45 
## -16370.4  ->  -16364.59 
## -16396.7  ->  -16383.54 
## -16316.27  ->  -16311.51 
## -16379.65  ->  -16354.1 
## -16344.68  ->  -16324.78 
## -16390.46  ->  -16355.1 
## -16397.56  ->  -16364.33 
## -16408.47  ->  -16365.6 
## -16391.42  ->  -16390.38 
## -16393.87  ->  -16392.92 
## -16396.13  ->  -16390.05 
## -16393.96  ->  -16389.21 
## -16378.29  ->  -16363.12 
## -16402.61  ->  -16370.35 
## -16399.66  ->  -16394.57 
## -16394.77  ->  -16394.54 
## -16394.76  ->  -16394.54 
## -16331.51  ->  -16325.18 
## -16393.18  ->  -16368 
## optimize edge weights:  -15975.15 --> -15954.28 
##  optimize topology:  -16394.6 --> -15954.28 
## -15951.15  ->  -15940.18 
## -15951.07  ->  -15949.89 
## -15954.28  ->  -15952.4 
## -15954.28  ->  -15953.77 
## -15945.65  ->  -15938.05 
## -15954.41  ->  -15953.81 
## -15952.29  ->  -15951.12 
## -15953.45  ->  -15951.77 
## -15953.22  ->  -15945.11 
## -15953.8  ->  -15952.84 
## -15950.81  ->  -15947.73 
## -15948.77  ->  -15935.82 
## -15945.68  ->  -15940.98 
## optimize edge weights:  -15887.23 --> -15884.69 
##  optimize topology:  -15954.28 --> -15884.69 
## -15877.97  ->  -15863.46 
## -15884.69  ->  -15883.7 
## -15884.69  ->  -15884.14 
## -15884.32  ->  -15883.76 
## -15882.45  ->  -15880.89 
## -15884.43  ->  -15884.06 
## -15868.39  ->  -15851.9 
## optimize edge weights:  -15830.74 --> -15830.3 
##  optimize topology:  -15884.69 --> -15830.3 
## -15829.71  ->  -15829.34 
## -15829.85  ->  -15829.7 
## -15830.11  ->  -15829.43 
## -15827.82  ->  -15826.38 
## -15828.39  ->  -15827.78 
## optimize edge weights:  -15823.58 --> -15823.45 
##  optimize topology:  -15830.3 --> -15823.45 
## -15821.96  ->  -15815.57 
## optimize edge weights:  -15815.57 --> -15815.55 
##  optimize topology:  -15823.45 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  16 
## [1] "Ratchet iteration  5 , best pscore so far: -15815.5472187106"
## -16954.85  ->  -16683.25 
## -16802.96  ->  -16668.82 
## -16824.54  ->  -16602.23 
## -16345.68  ->  -16267.03 
## -16933.79  ->  -16778.61 
## -16932.78  ->  -16778.61 
## -16867.68  ->  -16628.13 
## -16870.09  ->  -16628.14 
## -16873.14  ->  -16802.35 
## -16865  ->  -16802.35 
## -16807.12  ->  -16785.07 
## -16836.4  ->  -16801.31 
## -16808.24  ->  -16796.13 
## -16836.46  ->  -16818.43 
## -16825.45  ->  -16825.14 
## -16811.47  ->  -16806.99 
## -16838.42  ->  -16821.26 
## -16831.85  ->  -16809.6 
## -16839.11  ->  -16809.6 
## -16834.37  ->  -16823.58 
## -16834.4  ->  -16823.58 
## -16789.66  ->  -16775.48 
## -16825.71  ->  -16796.33 
## -16825.84  ->  -16804.88 
## -16786.46  ->  -16781.18 
## -16814.99  ->  -16814.98 
## -16816.59  ->  -16815.36 
## -16825.96  ->  -16823.28 
## -16821.4  ->  -16819.21 
## -16823.92  ->  -16821.51 
## -16764.03  ->  -16757.74 
## -16825.22  ->  -16809.52 
## -16840.61  ->  -16821.23 
## -16847.64  ->  -16821.27 
## -16801.87  ->  -16800.96 
## -16825.68  ->  -16822.45 
## -16820.51  ->  -16817.39 
## -16832.59  ->  -16822.35 
## -16825.08  ->  -16820.61 
## -16821.65  ->  -16816.21 
## optimize edge weights:  -16137.42 --> -16068.3 
##  optimize topology:  -16826 --> -16068.3 
## -16065.81  ->  -15994.65 
## -16060.29  ->  -16041.08 
## -16065.71  ->  -16048.09 
## -16067.89  ->  -16067.6 
## -16060.67  ->  -16054.24 
## -16067.34  ->  -16067.16 
## -16068.3  ->  -16031.04 
## -16068.3  ->  -16068.29 
## -16065.39  ->  -16065.19 
## -16068.04  ->  -16067.99 
## -16058.5  ->  -16053.31 
## -16068.09  ->  -16068.02 
## -16066.36  ->  -16066.1 
## -16065.5  ->  -16064.8 
## -16068.97  ->  -16066.9 
## optimize edge weights:  -15918.74 --> -15917.91 
##  optimize topology:  -16068.3 --> -15917.91 
## -15912.38  ->  -15884.47 
## -15909.07  ->  -15900.44 
## -15918.23  ->  -15917.58 
## -15915.44  ->  -15915.37 
## -15916.7  ->  -15916.57 
## -15912.17  ->  -15911.45 
## -15915.4  ->  -15913.43 
## optimize edge weights:  -15860.44 --> -15859.67 
##  optimize topology:  -15917.91 --> -15859.67 
## -15857.33  ->  -15857.27 
## -15859.24  ->  -15859.17 
## -15859.69  ->  -15859.65 
## -15859.29  ->  -15857.15 
## optimize edge weights:  -15854.73 --> -15854.43 
##  optimize topology:  -15859.67 --> -15854.43 
## -15845.93  ->  -15833.15 
## optimize edge weights:  -15833.15 --> -15833.04 
##  optimize topology:  -15854.43 --> -15833.04 
## -15832.84  ->  -15832.82 
## optimize edge weights:  -15832.82 --> -15832.79 
##  optimize topology:  -15833.04 --> -15832.79 
## -15821.25  ->  -15815.69 
## optimize edge weights:  -15815.69 --> -15815.55 
##  optimize topology:  -15832.79 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  17 
## [1] "Ratchet iteration  6 , best pscore so far: -15815.5454303595"
## -16108.28  ->  -16089.39 
## -16099.2  ->  -16087.63 
## -16033.24  ->  -16032.56 
## -16098.73  ->  -16068.39 
## -16110.72  ->  -16087.07 
## -16119.05  ->  -16087.02 
## -16097.61  ->  -16090.07 
## -16082.86  ->  -16082.67 
## -16086.44  ->  -16084.62 
## -16106.08  ->  -16091.84 
## -16099.34  ->  -16089.12 
## -16083.17  ->  -16079.88 
## -16087.92  ->  -16083.87 
## -16107.42  ->  -16062.44 
## -16095.35  ->  -16060.52 
## -16077.97  ->  -16043.83 
## -16092.54  ->  -16055.82 
## -16093.96  ->  -16092.54 
## -16093.96  ->  -16092.54 
## -16081.21  ->  -16060.99 
## -16094.99  ->  -16063.75 
## -16086.34  ->  -16063.81 
## -16066.87  ->  -16051.99 
## -16047.81  ->  -16031.5 
## -16093.12  ->  -16057.61 
## -16098.76  ->  -16085.98 
## -16098.3  ->  -16085.98 
## -16097.79  ->  -16092.04 
## -16086.05  ->  -16086.03 
## -16091.59  ->  -16091.57 
## optimize edge weights:  -15963.05 --> -15942.86 
##  optimize topology:  -16092.59 --> -15942.86 
## -15938.45  ->  -15933.78 
## -15938.38  ->  -15936.75 
## -15940.88  ->  -15938.35 
## -15941.37  ->  -15938.44 
## -15938.89  ->  -15936.09 
## -15938.66  ->  -15936.76 
## -15936.86  ->  -15935.01 
## -15933.54  ->  -15929.09 
## -15941.45  ->  -15941.07 
## -15942.86  ->  -15937.67 
## -15942.86  ->  -15942.86 
## -15942.86  ->  -15942.6 
## optimize edge weights:  -15920.21 --> -15919.89 
##  optimize topology:  -15942.86 --> -15919.89 
## -15915.55  ->  -15910.62 
## -15916.95  ->  -15915.88 
## -15917.72  ->  -15914.4 
## -15918.08  ->  -15914 
## -15919.89  ->  -15919.1 
## -15919.89  ->  -15896.81 
## optimize edge weights:  -15881.85 --> -15881.24 
##  optimize topology:  -15919.89 --> -15881.24 
## -15869.95  ->  -15848.99 
## -15882.04  ->  -15880.8 
## -15881.18  ->  -15879.66 
## -15881.25  ->  -15881.23 
## -15873.44  ->  -15853.28 
## -15879.82  ->  -15878.65 
## optimize edge weights:  -15818.43 --> -15817.51 
##  optimize topology:  -15881.24 --> -15817.51 
## -15816.45  ->  -15815.59 
## optimize edge weights:  -15815.59 --> -15815.55 
##  optimize topology:  -15817.51 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  17 
## [1] "Ratchet iteration  7 , best pscore so far: -15815.5452452212"
## -16284.2  ->  -16283.24 
## -16260.6  ->  -16260.28 
## -16264.61  ->  -16263.48 
## -16317.81  ->  -16275.57 
## -16318.88  ->  -16275.57 
## -16229.33  ->  -16228.46 
## -16277.06  ->  -16253.65 
## -16299.74  ->  -16281.99 
## -16297.22  ->  -16279.31 
## -16279.24  ->  -16273.6 
## -16272.25  ->  -16257.02 
## -16287.92  ->  -16278.65 
## -16280.94  ->  -16280.51 
## -16281.02  ->  -16280.32 
## -16273.62  ->  -16267.21 
## -16289.72  ->  -16279.86 
## -16261.82  ->  -16257.81 
## -16285.73  ->  -16278.01 
## -16265.81  ->  -16261.68 
## -16287.26  ->  -16276.76 
## -16278.53  ->  -16269.84 
## -16283.36  ->  -16272.04 
## -16270.7  ->  -16261.7 
## -16287.78  ->  -16264.2 
## -16203.16  ->  -16172.47 
## -16279.66  ->  -16239.27 
## -16363.62  ->  -16275.55 
## -16364.16  ->  -16275.55 
## -16219.54  ->  -16212.84 
## -16277.65  ->  -16263.23 
## -16283.55  ->  -16268.21 
## -16279.79  ->  -16266.22 
## -16284.01  ->  -16268.11 
## -16283.62  ->  -16268.11 
## -16223.61  ->  -16222.03 
## -16282.56  ->  -16261.05 
## -16308.07  ->  -16281.28 
## -16308.92  ->  -16281.28 
## -16298.63  ->  -16262.16 
## -16302.73  ->  -16262.58 
## -16279.83  ->  -16276.42 
## -16258.18  ->  -16239.38 
## -16272.59  ->  -16245.27 
## -16286.18  ->  -16280.92 
## -16275.52  ->  -16274.03 
## optimize edge weights:  -16008.49 --> -15965.65 
##  optimize topology:  -16283.27 --> -15965.65 
## -15965.65  ->  -15956.03 
## -15965.65  ->  -15957.86 
## -15964.01  ->  -15963.73 
## -15964.78  ->  -15964.7 
## -15963.61  ->  -15963.15 
## -15959.03  ->  -15950.14 
## -15964.53  ->  -15964.1 
## -15965.65  ->  -15961.25 
## -15965.65  ->  -15952.64 
## -15963.44  ->  -15962.58 
## -15960.44  ->  -15954.68 
## -15964.1  ->  -15962.03 
## -15964.12  ->  -15962.7 
## -15965.65  ->  -15941.05 
## -15965.65  ->  -15965.19 
## -15965.65  ->  -15965.65 
## -15964.52  ->  -15964.25 
## optimize edge weights:  -15903.44 --> -15902.73 
##  optimize topology:  -15965.65 --> -15902.73 
## -15899.56  ->  -15898.5 
## -15902.03  ->  -15901.86 
## -15902.73  ->  -15898.15 
## -15902.64  ->  -15902.25 
## -15902.11  ->  -15891.43 
## -15895.33  ->  -15887.91 
## -15901.34  ->  -15900.62 
## -15901.95  ->  -15900.95 
## -15894.08  ->  -15874.6 
## -15901.4  ->  -15901.1 
## optimize edge weights:  -15854.6 --> -15854.16 
##  optimize topology:  -15902.73 --> -15854.16 
## -15848.53  ->  -15847.99 
## -15853.23  ->  -15853.13 
## -15854.16  ->  -15848.42 
## -15854.16  ->  -15853.27 
## -15854.16  ->  -15843.6 
## optimize edge weights:  -15837.42 --> -15836.53 
##  optimize topology:  -15854.16 --> -15836.53 
## -15835.01  ->  -15834.67 
## -15836.53  ->  -15818.71 
## optimize edge weights:  -15816.67 --> -15816.31 
##  optimize topology:  -15836.53 --> -15816.31 
## -15815.83  ->  -15815.56 
## optimize edge weights:  -15815.56 --> -15815.55 
##  optimize topology:  -15816.31 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  20 
## [1] "Ratchet iteration  8 , best pscore so far: -15815.5452452212"
## -16153.09  ->  -16141.6 
## -16171.06  ->  -16152.89 
## -16140.37  ->  -16126.19 
## -16162.11  ->  -16133.96 
## -16126.07  ->  -16114.81 
## -16143.9  ->  -16129.23 
## -16158.8  ->  -16130.94 
## -16152.55  ->  -16131.06 
## -16159.89  ->  -16143.38 
## -16165.75  ->  -16144.42 
## -16089.28  ->  -16089.21 
## -16147.35  ->  -16129.3 
## -16138.55  ->  -16120.9 
## -16161.67  ->  -16140.72 
## -16149.24  ->  -16144.39 
## -16154.49  ->  -16149.69 
## -16155.56  ->  -16136.13 
## -16169.81  ->  -16138.54 
## -16139.43  ->  -16116.82 
## -16162.75  ->  -16123.48 
## -16130.17  ->  -16102.45 
## -16142.48  ->  -16123.43 
## -16155.19  ->  -16135.02 
## -16151.43  ->  -16134.2 
## -16155.16  ->  -16147.3 
## -16151.82  ->  -16144 
## -16147.75  ->  -16145.55 
## -16146.48  ->  -16145.06 
## -16150.46  ->  -16150.31 
## -16156.57  ->  -16152.39 
## optimize edge weights:  -15987.6 --> -15957.53 
##  optimize topology:  -16153.54 --> -15957.53 
## -15957  ->  -15956.47 
## -15954.58  ->  -15953.67 
## -15957.68  ->  -15957.38 
## -15957.02  ->  -15956.62 
## -15956.48  ->  -15955.61 
## -15953.67  ->  -15948.85 
## -15954.42  ->  -15952.52 
## -15949.7  ->  -15919.08 
## -15956.04  ->  -15955.12 
## -15955.95  ->  -15950.67 
## -15956.88  ->  -15955.33 
## -15957.53  ->  -15945.51 
## -15957.53  ->  -15951.81 
## optimize edge weights:  -15898.05 --> -15895.74 
##  optimize topology:  -15957.53 --> -15895.74 
## -15878.49  ->  -15870.43 
## -15894.21  ->  -15893.76 
## -15894.21  ->  -15888.96 
## -15895.11  ->  -15893.54 
## -15895.18  ->  -15894.73 
## -15895.62  ->  -15895.54 
## -15888.51  ->  -15863.26 
## -15895.21  ->  -15894.7 
## optimize edge weights:  -15855.58 --> -15854.84 
##  optimize topology:  -15895.74 --> -15854.84 
## -15835.43  ->  -15825.9 
## -15853.07  ->  -15852.55 
## -15851.75  ->  -15848 
## -15854.19  ->  -15853.49 
## -15852.67  ->  -15851.58 
## -15854.86  ->  -15854.73 
## optimize edge weights:  -15825.9 --> -15825.55 
##  optimize topology:  -15854.84 --> -15825.55 
## -15825.5  ->  -15825.39 
## -15823.3  ->  -15821.26 
## -15825.02  ->  -15823.87 
## -15822.97  ->  -15821.27 
## optimize edge weights:  -15821.26 --> -15821.08 
##  optimize topology:  -15825.55 --> -15821.08 
## -15817.71  ->  -15815.65 
## -15819.24  ->  -15818.46 
## optimize edge weights:  -15815.65 --> -15815.55 
##  optimize topology:  -15821.08 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  14 
## [1] "Ratchet iteration  9 , best pscore so far: -15815.5450292405"
## -16299.11  ->  -16292.42 
## -16302.24  ->  -16297.64 
## -16309.35  ->  -16301.63 
## -16302.9  ->  -16298.68 
## -16304.72  ->  -16300.84 
## -16214.54  ->  -16192.36 
## -16367.46  ->  -16243.18 
## -16247.43  ->  -16166.07 
## -16316.23  ->  -16236.29 
## -16304.99  ->  -16295.94 
## -16310.49  ->  -16299.07 
## -16276.56  ->  -16268.11 
## -16313.93  ->  -16292.15 
## -16307.25  ->  -16301.7 
## -16305.31  ->  -16300.64 
## -16307.47  ->  -16305.61 
## -16322.64  ->  -16304.66 
## -16306.44  ->  -16296.9 
## -16302.65  ->  -16294.87 
## -16302.48  ->  -16290.78 
## -16316.25  ->  -16294.67 
## -16315.22  ->  -16294.73 
## -16324.59  ->  -16298.87 
## -16276.34  ->  -16272.37 
## -16307.97  ->  -16297.4 
## -16232.61  ->  -16232.08 
## -16297.96  ->  -16276.09 
## -16290.01  ->  -16288 
## -16307.19  ->  -16299.11 
## optimize edge weights:  -16045.38 --> -16020.5 
##  optimize topology:  -16305.62 --> -16020.5 
## -16010.65  ->  -16006.48 
## -16015.46  ->  -16013.29 
## -16007.69  ->  -15991.31 
## -16018.63  ->  -16017.11 
## -16011.17  ->  -16005.18 
## -16015.65  ->  -16011.7 
## -16018.74  ->  -16015.07 
## -16019.14  ->  -16014.8 
## -15999.26  ->  -15893.67 
## optimize edge weights:  -15836.94 --> -15834.98 
##  optimize topology:  -16020.5 --> -15834.98 
## -15825.9  ->  -15822.91 
## -15830.32  ->  -15828.4 
## -15832.22  ->  -15829.68 
## -15834.8  ->  -15833.97 
## optimize edge weights:  -15822.91 --> -15822.8 
##  optimize topology:  -15834.98 --> -15822.8 
## -15821.99  ->  -15821.06 
## -15823.8  ->  -15822.57 
## -15820.45  ->  -15818.27 
## optimize edge weights:  -15815.98 --> -15815.54 
##  optimize topology:  -15822.8 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  12 
## [1] "Ratchet iteration  10 , best pscore so far: -15815.544866991"
## -16595.6  ->  -16538.85 
## -16607.3  ->  -16539.46 
## -16570.45  ->  -16567.05 
## -16507.74  ->  -16505.33 
## -16573.1  ->  -16554.35 
## -16518.43  ->  -16513.92 
## -16569.67  ->  -16555.61 
## -16572.22  ->  -16557.02 
## -16572.09  ->  -16557.02 
## -16577.83  ->  -16564.25 
## -16573.55  ->  -16562.66 
## -16525.28  ->  -16523.37 
## -16574.8  ->  -16554.55 
## -16578.33  ->  -16568.34 
## -16580.05  ->  -16568.6 
## -16558.69  ->  -16557.25 
## -16560.41  ->  -16557.72 
## -16581.44  ->  -16547.94 
## -16591.02  ->  -16553.21 
## -16625.12  ->  -16557.55 
## -16635.83  ->  -16557.55 
## -16349.81  ->  -16349.77 
## -16586.58  ->  -16481.83 
## -16572.46  ->  -16565.05 
## -16570.33  ->  -16565.02 
## -16536.97  ->  -16529.54 
## -16577.88  ->  -16559.29 
## -16560.55  ->  -16544.3 
## -16573.46  ->  -16560.31 
## -16574.52  ->  -16552.69 
## -16571.25  ->  -16550.07 
## -16518.53  ->  -16511.93 
## -16592.34  ->  -16551.92 
## -16563.83  ->  -16485.24 
## -16411.75  ->  -16410.7 
## -16570.8  ->  -16555.43 
## -16564.37  ->  -16548.96 
## optimize edge weights:  -15962.48 --> -15930.35 
##  optimize topology:  -16569.67 --> -15930.35 
## -15921.87  ->  -15917.49 
## -15930.35  ->  -15930.35 
## -15930.35  ->  -15921.28 
## -15925.22  ->  -15910.6 
## -15930.35  ->  -15908.77 
## -15930.35  ->  -15930.35 
## -15927.63  ->  -15921.78 
## -15930.35  ->  -15930.34 
## -15929.56  ->  -15928.74 
## -15930.7  ->  -15929.67 
## optimize edge weights:  -15877.79 --> -15874.41 
##  optimize topology:  -15930.35 --> -15874.41 
## -15866.46  ->  -15862.34 
## -15874.03  ->  -15873.9 
## -15874.5  ->  -15874.32 
## -15866.22  ->  -15862.06 
## -15862.66  ->  -15842.28 
## optimize edge weights:  -15816.59 --> -15815.54 
##  optimize topology:  -15874.41 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  14 
## [1] "Ratchet iteration  11 , best pscore so far: -15815.5447450837"
## -16124.27  ->  -16124.22 
## -16138.46  ->  -16128.48 
## -16134.22  ->  -16125.66 
## -16128.25  ->  -16127.89 
## -16130.6  ->  -16129.8 
## -16125.09  ->  -16099.71 
## -16125.97  ->  -16099.66 
## -16092.48  ->  -16075.96 
## -16130.54  ->  -16089.74 
## -16117.26  ->  -16080.66 
## -16101.68  ->  -16076.35 
## -16140.92  ->  -16111.47 
## -16139.72  ->  -16111.17 
## -16112  ->  -16107.18 
## -16130.35  ->  -16120.64 
## -16113.28  ->  -16106.54 
## -16137.1  ->  -16124.18 
## -16143.49  ->  -16111.7 
## -16139.69  ->  -16109.56 
## -16130.01  ->  -16125.61 
## -16133.04  ->  -16127.26 
## -16087.71  ->  -16068.72 
## -16130.02  ->  -16109.66 
## -16132.98  ->  -16117.32 
## -16131.09  ->  -16117.32 
## -16070.22  ->  -16067.72 
## -16125.91  ->  -16108.05 
## -16139.58  ->  -16123.5 
## -16139.52  ->  -16123.5 
## -16140.57  ->  -16115.01 
## -16128.74  ->  -16112.43 
## -16121.96  ->  -16121.45 
## -16121.78  ->  -16121.43 
## -16127.15  ->  -16127.15 
## -16129.5  ->  -16128.86 
## optimize edge weights:  -15926.13 --> -15903.58 
##  optimize topology:  -16130.17 --> -15903.58 
## -15901.81  ->  -15901.03 
## -15903.01  ->  -15902.07 
## -15902.26  ->  -15902.03 
## -15903.58  ->  -15899.76 
## -15903.58  ->  -15900.72 
## -15902.95  ->  -15901.34 
## -15902.82  ->  -15895.84 
## -15899.61  ->  -15886.87 
## -15902.71  ->  -15901.73 
## -15901.3  ->  -15900.11 
## -15900.75  ->  -15898.96 
## -15901.81  ->  -15896.79 
## -15902.6  ->  -15900.53 
## -15903.58  ->  -15903.58 
## optimize edge weights:  -15869.8 --> -15869.51 
##  optimize topology:  -15903.58 --> -15869.51 
## -15868.26  ->  -15868.08 
## -15869.51  ->  -15866.39 
## -15869.51  ->  -15860.64 
## -15867.28  ->  -15865.59 
## -15867.33  ->  -15865.29 
## optimize edge weights:  -15857.61 --> -15857.14 
##  optimize topology:  -15869.51 --> -15857.14 
## -15845.05  ->  -15840.89 
## -15853.26  ->  -15848 
## -15855.75  ->  -15855.55 
## optimize edge weights:  -15840.89 --> -15839.92 
##  optimize topology:  -15857.14 --> -15839.92 
## -15834.03  ->  -15826.65 
## -15838.24  ->  -15837.71 
## -15837.26  ->  -15831.09 
## -15838.61  ->  -15838.44 
## optimize edge weights:  -15825.09 --> -15824.81 
##  optimize topology:  -15839.92 --> -15824.81 
## -15824.22  ->  -15816.04 
## -15826.05  ->  -15824.76 
## optimize edge weights:  -15816.04 --> -15815.84 
##  optimize topology:  -15824.81 --> -15815.84 
## -15815.71  ->  -15815.61 
## optimize edge weights:  -15815.61 --> -15815.55 
##  optimize topology:  -15815.84 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  17 
## [1] "Ratchet iteration  12 , best pscore so far: -15815.5447450837"
## -16444.6  ->  -16355.05 
## -16287.76  ->  -16283.62 
## -16431.62  ->  -16409.29 
## -16428.53  ->  -16405.78 
## -16485.02  ->  -16393.1 
## -16482.56  ->  -16393.1 
## -16413.76  ->  -16400.69 
## -16436.74  ->  -16411.69 
## -16436.16  ->  -16427.11 
## -16441.76  ->  -16426.7 
## -16422.19  ->  -16421.76 
## -16446.54  ->  -16431.31 
## -16436.72  ->  -16427.89 
## -16442.12  ->  -16429.03 
## -16441.33  ->  -16426.67 
## -16437.53  ->  -16424.36 
## -16398.85  ->  -16398.79 
## -16427.01  ->  -16416.45 
## -16423.09  ->  -16422.21 
## -16435  ->  -16429.56 
## -16431.96  ->  -16431.85 
## -16427.12  ->  -16426.46 
## -16430.03  ->  -16428.82 
## -16395.61  ->  -16386.19 
## -16432.36  ->  -16398.89 
## -16442.91  ->  -16424.33 
## -16444.85  ->  -16424.24 
## -16426.62  ->  -16421.23 
## -16431.63  ->  -16425.16 
## -16419.19  ->  -16416.78 
## -16433.47  ->  -16423.35 
## -16417.64  ->  -16417.63 
## -16432.71  ->  -16427.43 
## -16430.8  ->  -16430.75 
## -16433.4  ->  -16430.75 
## -16440.4  ->  -16432.2 
## -16437.15  ->  -16430.86 
## -16449.6  ->  -16405.2 
## -16453.86  ->  -16406 
## -16508.56  ->  -16416.56 
## -16514.18  ->  -16416.61 
## -16178.97  ->  -16178.88 
## -16416.96  ->  -16317.48 
## -16414.59  ->  -16380.78 
## -16440.84  ->  -16393.8 
## optimize edge weights:  -15954.39 --> -15912.04 
##  optimize topology:  -16433.1 --> -15912.04 
## -15908.9  ->  -15901.41 
## -15909.93  ->  -15904.85 
## -15912.04  ->  -15903.05 
## -15912.04  ->  -15911.94 
## -15901.95  ->  -15879.95 
## -15912.29  ->  -15911.87 
## -15903.5  ->  -15893.37 
## -15909.05  ->  -15908.39 
## -15912.04  ->  -15912.04 
## optimize edge weights:  -15867.18 --> -15865.27 
##  optimize topology:  -15912.04 --> -15865.27 
## -15861.77  ->  -15859.56 
## -15858.98  ->  -15848.62 
## -15857.16  ->  -15843.58 
## -15864.86  ->  -15864.85 
## -15863.48  ->  -15857.63 
## optimize edge weights:  -15843.58 --> -15842.96 
##  optimize topology:  -15865.27 --> -15842.96 
## -15841.15  ->  -15834.66 
## -15842.96  ->  -15824.54 
## optimize edge weights:  -15824.54 --> -15824.21 
##  optimize topology:  -15842.96 --> -15824.21 
## -15822.71  ->  -15816.33 
## -15823.73  ->  -15823.46 
## optimize edge weights:  -15815.58 --> -15815.55 
##  optimize topology:  -15824.21 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  15 
## [1] "Ratchet iteration  13 , best pscore so far: -15815.5447450837"
## -16404.01  ->  -16365.75 
## -16403.54  ->  -16365.88 
## -16370.55  ->  -16369.93 
## -16371.09  ->  -16370.37 
## -16389.83  ->  -16368.27 
## -16383.86  ->  -16367.21 
## -16337.81  ->  -16329.68 
## -16364.09  ->  -16356.42 
## -16374.18  ->  -16354.28 
## -16375.6  ->  -16354.85 
## -16371.95  ->  -16363.75 
## -16358.84  ->  -16350.01 
## -16379.82  ->  -16361.8 
## -16377.53  ->  -16361.01 
## -16409.6  ->  -16367.47 
## -16411.41  ->  -16367.47 
## -16348.9  ->  -16340.86 
## -16310.84  ->  -16301.27 
## -16404.54  ->  -16368.64 
## -16397.77  ->  -16367.92 
## -16369.98  ->  -16363.97 
## -16370.32  ->  -16363.81 
## -16377.55  ->  -16359.91 
## -16377.94  ->  -16359.91 
## -16313.37  ->  -16313.25 
## -16374.12  ->  -16353.58 
## -16328.43  ->  -16325.51 
## -16376.66  ->  -16354.45 
## -16373.5  ->  -16346.47 
## -16366.01  ->  -16339.35 
## -16362.06  ->  -16358 
## -16360.61  ->  -16356.64 
## -16381.89  ->  -16366.16 
## -16382.98  ->  -16366.28 
## -16394.99  ->  -16374.32 
## -16387.73  ->  -16373.52 
## -16375.33  ->  -16374.05 
## -16376.94  ->  -16311.31 
## -16372.05  ->  -16306.3 
## -16196.67  ->  -16196.16 
## -16381.37  ->  -16280.68 
## optimize edge weights:  -15964.04 --> -15932.72 
##  optimize topology:  -16374.34 --> -15932.72 
## -15932.72  ->  -15931.5 
## -15932.72  ->  -15932.33 
## -15924.66  ->  -15919.62 
## -15926.19  ->  -15920.48 
## -15929.33  ->  -15920.54 
## -15932.21  ->  -15931.92 
## -15932  ->  -15931.36 
## -15932.29  ->  -15930.41 
## -15932.72  ->  -15932.72 
## -15932.72  ->  -15932.33 
## -15931.26  ->  -15925.01 
## optimize edge weights:  -15899.33 --> -15898.29 
##  optimize topology:  -15932.72 --> -15898.29 
## -15898.29  ->  -15896.74 
## -15898.29  ->  -15897.32 
## -15891.99  ->  -15885.64 
## -15895.81  ->  -15893.51 
## -15897.92  ->  -15897.7 
## -15897.91  ->  -15897 
## -15896.38  ->  -15895.49 
## -15898.29  ->  -15897.86 
## -15898.29  ->  -15894.9 
## optimize edge weights:  -15885.64 --> -15885.5 
##  optimize topology:  -15898.29 --> -15885.5 
## -15885.5  ->  -15882.96 
## -15885.5  ->  -15884.64 
## -15883.33  ->  -15881.3 
## -15885.03  ->  -15884.47 
## -15884.98  ->  -15884.05 
## -15883.34  ->  -15882.83 
## -15885.5  ->  -15885.05 
## -15885.5  ->  -15881.88 
## optimize edge weights:  -15875.16 --> -15874.83 
##  optimize topology:  -15885.5 --> -15874.83 
## -15869.4  ->  -15841.13 
## -15874.22  ->  -15873.57 
## -15864.94  ->  -15852.03 
## optimize edge weights:  -15818.62 --> -15818.3 
##  optimize topology:  -15874.83 --> -15818.3 
## -15816.84  ->  -15816.54 
## -15819.03  ->  -15817.83 
## optimize edge weights:  -15815.7 --> -15815.54 
##  optimize topology:  -15818.3 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  19 
## [1] "Ratchet iteration  14 , best pscore so far: -15815.5445479794"
## -16359.11  ->  -16358.68 
## -16358.03  ->  -16357.9 
## -16360.16  ->  -16358.85 
## -16356.53  ->  -16352.26 
## -16355.02  ->  -16350.69 
## -16298.16  ->  -16298.09 
## -16359.12  ->  -16338.8 
## -16363.2  ->  -16343.96 
## -16357.28  ->  -16340.75 
## -16360.89  ->  -16350.2 
## -16359  ->  -16349.52 
## -16333.23  ->  -16331.81 
## -16360.71  ->  -16343.26 
## -16353.22  ->  -16326.32 
## -16332.08  ->  -16313.08 
## -16379.22  ->  -16351.06 
## -16381.1  ->  -16351.89 
## -16351.07  ->  -16322.42 
## -16333.25  ->  -16304.34 
## -16335.3  ->  -16313.1 
## -16353.02  ->  -16323.02 
## -16409.22  ->  -16333.78 
## -16420.79  ->  -16335.3 
## -16087.45  ->  -16086.75 
## -16368.66  ->  -16247.54 
## -16367.69  ->  -16344.86 
## -16357.18  ->  -16341.23 
## -16350.56  ->  -16345.55 
## -16360.27  ->  -16352.48 
## -16355.43  ->  -16354.87 
## -16360.5  ->  -16356.81 
## -16335.9  ->  -16335.86 
## -16355.12  ->  -16350.66 
## -16340.18  ->  -16338.41 
## -16336.92  ->  -16336.74 
## -16359.83  ->  -16358.84 
## optimize edge weights:  -15923.96 --> -15892.39 
##  optimize topology:  -16358.95 --> -15892.39 
## -15892.41  ->  -15892.25 
## -15891.54  ->  -15890.7 
## -15890.98  ->  -15881.33 
## -15884.44  ->  -15878.25 
## -15889.33  ->  -15886.81 
## -15891.46  ->  -15890.82 
## -15892.39  ->  -15872.17 
## -15892.39  ->  -15892.39 
## -15889.05  ->  -15886.7 
## -15892.39  ->  -15890.01 
## optimize edge weights:  -15856.59 --> -15856.4 
##  optimize topology:  -15892.39 --> -15856.4 
## -15847.21  ->  -15838.85 
## -15853.23  ->  -15851.08 
## -15855.47  ->  -15854.92 
## -15856.98  ->  -15856.17 
## optimize edge weights:  -15838.85 --> -15838.04 
##  optimize topology:  -15856.4 --> -15838.04 
## -15831.76  ->  -15830.58 
## -15837.76  ->  -15837.67 
## -15836.76  ->  -15836.65 
## -15834.86  ->  -15833.46 
## -15837.87  ->  -15837.71 
## -15838.7  ->  -15837.91 
## optimize edge weights:  -15830.58 --> -15830.36 
##  optimize topology:  -15838.04 --> -15830.36 
## -15829.99  ->  -15829.88 
## -15827.32  ->  -15825.98 
## -15830.27  ->  -15830.12 
## -15830.11  ->  -15829.29 
## optimize edge weights:  -15825.49 --> -15825.41 
##  optimize topology:  -15830.36 --> -15825.41 
## -15821.81  ->  -15820.31 
## -15825.26  ->  -15824.26 
## optimize edge weights:  -15818.87 --> -15818.3 
##  optimize topology:  -15825.41 --> -15818.3 
## -15816.84  ->  -15816.54 
## -15819.03  ->  -15817.83 
## optimize edge weights:  -15815.7 --> -15815.54 
##  optimize topology:  -15818.3 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  18 
## [1] "Ratchet iteration  15 , best pscore so far: -15815.5443150919"
## -16283.14  ->  -16283.12 
## -16297.69  ->  -16292.26 
## -16301.98  ->  -16298.25 
## -16301.65  ->  -16298.25 
## -16305.01  ->  -16296.9 
## -16290.72  ->  -16289.03 
## -16296.25  ->  -16293.76 
## -16294.18  ->  -16291.12 
## -16285.3  ->  -16283.46 
## -16299.71  ->  -16295.48 
## -16300.9  ->  -16293.25 
## -16302.68  ->  -16293.76 
## -16283.99  ->  -16271.73 
## -16299.61  ->  -16281.82 
## -16296.89  ->  -16279.79 
## -16295.38  ->  -16277.69 
## -16318.13  ->  -16292.99 
## -16308.37  ->  -16289.08 
## -16298.71  ->  -16296.55 
## -16290.49  ->  -16275.79 
## -16301.33  ->  -16287.13 
## -16288.96  ->  -16277.01 
## -16286.45  ->  -16276.32 
## -16301.84  ->  -16285.6 
## -16305.26  ->  -16284.93 
## -16305.62  ->  -16293.73 
## -16307.74  ->  -16294.37 
## -16314.39  ->  -16277.27 
## -16326.33  ->  -16278.6 
## -16230.78  ->  -16210.19 
## -16292.45  ->  -16265.37 
## -16293.55  ->  -16266.49 
## -16303.5  ->  -16271 
## -16296.33  ->  -16281.19 
## -16296.72  ->  -16282.89 
## -16297.18  ->  -16296.95 
## -16304.06  ->  -16293.8 
## -16291.55  ->  -16288.29 
## -16326.59  ->  -16255.56 
## -16329.52  ->  -16255.92 
## -16296.17  ->  -16273.84 
## -16294.13  ->  -16271.38 
## -16142.11  ->  -16140.97 
## -16302.88  ->  -16217.11 
## optimize edge weights:  -16001.95 --> -15959.15 
##  optimize topology:  -16298.29 --> -15959.15 
## -15959.15  ->  -15958.42 
## -15959.15  ->  -15950.66 
## -15952.39  ->  -15951.74 
## -15958.45  ->  -15957.82 
## -15957.97  ->  -15957.75 
## -15957.28  ->  -15955.29 
## -15957.26  ->  -15956.39 
## -15959.15  ->  -15954.03 
## -15959.15  ->  -15952.25 
## -15953.47  ->  -15937.67 
## -15958.34  ->  -15957.91 
## -15959.15  ->  -15943.94 
## -15959.15  ->  -15949.8 
## -15957.96  ->  -15956.89 
## -15959.02  ->  -15958.9 
## -15951.16  ->  -15946.86 
## optimize edge weights:  -15913.06 --> -15911.66 
##  optimize topology:  -15959.15 --> -15911.66 
## -15911.22  ->  -15910.99 
## -15902.97  ->  -15902.14 
## -15909.13  ->  -15907.95 
## -15911.56  ->  -15911.35 
## -15898.75  ->  -15876.46 
## -15911.09  ->  -15906.75 
## -15910.72  ->  -15905.67 
## -15911.66  ->  -15895.69 
## -15911.66  ->  -15902.11 
## -15910.46  ->  -15909.64 
## optimize edge weights:  -15851.21 --> -15850.01 
##  optimize topology:  -15911.66 --> -15850.01 
## -15848.79  ->  -15845.77 
## -15847  ->  -15843.07 
## -15849.18  ->  -15848.15 
## -15850.07  ->  -15849.98 
## -15849.08  ->  -15848.88 
## -15838.82  ->  -15835.78 
## -15851.13  ->  -15849.94 
## -15849.57  ->  -15849.32 
## optimize edge weights:  -15828.5 --> -15828.22 
##  optimize topology:  -15850.01 --> -15828.22 
## -15827.52  ->  -15826.81 
## -15827.97  ->  -15827.85 
## optimize edge weights:  -15826.81 --> -15826.74 
##  optimize topology:  -15828.22 --> -15826.74 
## -15826.4  ->  -15825.81 
## -15824.58  ->  -15823.51 
## optimize edge weights:  -15823.51 --> -15823.45 
##  optimize topology:  -15826.74 --> -15823.45 
## -15821.95  ->  -15815.57 
## optimize edge weights:  -15815.57 --> -15815.54 
##  optimize topology:  -15823.45 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  19 
## [1] "Ratchet iteration  16 , best pscore so far: -15815.5440825489"
## -16502.1  ->  -16483.25 
## -16522.08  ->  -16498.04 
## -16469.9  ->  -16459.43 
## -16530.46  ->  -16492.15 
## -16587.31  ->  -16504.7 
## -16564.11  ->  -16500.97 
## -16527.82  ->  -16460.4 
## -16523.03  ->  -16455.83 
## -16353.82  ->  -16353.62 
## -16529.61  ->  -16428.76 
## -16526.24  ->  -16520.96 
## -16529.01  ->  -16522.63 
## -16501.29  ->  -16501.29 
## -16523.7  ->  -16518.47 
## -16500.41  ->  -16500.38 
## -16508.06  ->  -16507.1 
## -16526.48  ->  -16514.7 
## -16528.29  ->  -16513.14 
## -16561.41  ->  -16503.21 
## -16561.24  ->  -16503.12 
## -16599.07  ->  -16519.64 
## -16604.07  ->  -16519.64 
## -16289.92  ->  -16289.62 
## -16541.32  ->  -16425.02 
## -16505.84  ->  -16475.02 
## -16533.3  ->  -16490.58 
## -16522.48  ->  -16515.52 
## -16521.09  ->  -16515.1 
## -16509.62  ->  -16507.56 
## -16519.54  ->  -16515.49 
## -16483.88  ->  -16483.72 
## -16521.73  ->  -16511.6 
## -16526.33  ->  -16519.8 
## -16527.55  ->  -16520.12 
## -16522.6  ->  -16507.98 
## -16522.69  ->  -16507.98 
## -16518.47  ->  -16503.15 
## -16518.36  ->  -16500.38 
## -16525.25  ->  -16523.58 
## -16527.39  ->  -16524.35 
## -16518.76  ->  -16518.03 
## -16519.64  ->  -16519.08 
## optimize edge weights:  -15961.37 --> -15929.93 
##  optimize topology:  -16524.6 --> -15929.93 
## -15929.93  ->  -15928.12 
## -15929.93  ->  -15929.54 
## -15926.54  ->  -15925.59 
## -15929.47  ->  -15929.43 
## -15927.51  ->  -15926.71 
## -15929.93  ->  -15929.01 
## -15929.93  ->  -15928.85 
## -15929.93  ->  -15922.28 
## -15929.93  ->  -15927.47 
## -15929.45  ->  -15929.42 
## -15929.93  ->  -15927.87 
## -15929.93  ->  -15927.25 
## -15929.93  ->  -15902.88 
## optimize edge weights:  -15893.19 --> -15892.15 
##  optimize topology:  -15929.93 --> -15892.15 
## -15890.19  ->  -15889.46 
## -15884.75  ->  -15877.15 
## -15892.15  ->  -15889.96 
## -15892.15  ->  -15891.46 
## -15888.88  ->  -15879.07 
## -15891.04  ->  -15890.11 
## -15889.02  ->  -15888.14 
## -15892.15  ->  -15889.68 
## -15892.15  ->  -15891.74 
## -15891.78  ->  -15891.74 
## -15873.79  ->  -15857.06 
## optimize edge weights:  -15837.93 --> -15837.09 
##  optimize topology:  -15892.15 --> -15837.09 
## -15831.68  ->  -15824.49 
## -15835.47  ->  -15834.98 
## -15837.78  ->  -15836.54 
## -15837.09  ->  -15834.45 
## -15837.09  ->  -15837.09 
## -15837.09  ->  -15837.09 
## -15837.09  ->  -15837.09 
## -15837.09  ->  -15834.47 
## -15837.09  ->  -15836.52 
## optimize edge weights:  -15823.72 --> -15823.51 
##  optimize topology:  -15837.09 --> -15823.51 
## -15823.51  ->  -15821.09 
## -15823.51  ->  -15819.96 
## -15823.51  ->  -15822.75 
## optimize edge weights:  -15817.56 --> -15817.46 
##  optimize topology:  -15823.51 --> -15817.46 
## -15817.66  ->  -15816.63 
## optimize edge weights:  -15816.63 --> -15816.48 
##  optimize topology:  -15817.46 --> -15816.48 
## -15816.9  ->  -15815.64 
## optimize edge weights:  -15815.64 --> -15815.55 
##  optimize topology:  -15816.48 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  20 
## [1] "Ratchet iteration  17 , best pscore so far: -15815.5440825489"
## -16575.35  ->  -16532.77 
## -16573.23  ->  -16532.66 
## -16518.03  ->  -16517.58 
## -16519.8  ->  -16518.71 
## -16541.23  ->  -16540.23 
## -16538.54  ->  -16511.14 
## -16461.08  ->  -16456.07 
## -16542.37  ->  -16518.42 
## -16545.11  ->  -16519.43 
## -16543.04  ->  -16532.11 
## -16551.24  ->  -16533.38 
## -16535.59  ->  -16535.25 
## -16518.52  ->  -16492.81 
## -16543.61  ->  -16518.48 
## -16550.51  ->  -16534.57 
## -16545.17  ->  -16531.8 
## -16530.15  ->  -16526.68 
## -16530.35  ->  -16521.83 
## -16539.93  ->  -16530.59 
## -16535.85  ->  -16528.19 
## -16534.87  ->  -16526.94 
## -16478.81  ->  -16477.92 
## -16551.42  ->  -16518.48 
## -16553.01  ->  -16512.08 
## -16557.63  ->  -16513.93 
## -16565.47  ->  -16451.3 
## -16571  ->  -16451.39 
## -16361.91  ->  -16350.19 
## -16510.96  ->  -16421.34 
## -16548.76  ->  -16445.36 
## -16536.23  ->  -16440.66 
## -16540.68  ->  -16530.01 
## -16530.58  ->  -16516.43 
## -16540.2  ->  -16535.58 
## -16543.16  ->  -16537.11 
## -16545.78  ->  -16526.97 
## -16546.27  ->  -16526.97 
## -16479.59  ->  -16479.59 
## -16540.35  ->  -16520.61 
## optimize edge weights:  -16135.99 --> -16081.3 
##  optimize topology:  -16540.43 --> -16081.3 
## -16081.3  ->  -16080.6 
## -16081.3  ->  -16079.05 
## -16081.3  ->  -16073.25 
## -16081.3  ->  -16073.87 
## -16076.51  ->  -16076 
## -16064.91  ->  -16048.71 
## -16070.67  ->  -16063.88 
## -16078.72  ->  -16078.14 
## -16081.3  ->  -16075.79 
## -16081.3  ->  -16071.91 
## -16081.3  ->  -16079.54 
## -16066.33  ->  -16045.81 
## -16081.3  ->  -15953.97 
## -16081.3  ->  -16080.7 
## optimize edge weights:  -15871.93 --> -15869.31 
##  optimize topology:  -16081.3 --> -15869.31 
## -15869.31  ->  -15868.45 
## -15869.31  ->  -15866.79 
## -15868.82  ->  -15868.12 
## -15869.68  ->  -15868.73 
## -15863.93  ->  -15863.42 
## -15868.58  ->  -15868.54 
## -15858.07  ->  -15852.11 
## -15868.68  ->  -15868.56 
## -15869.31  ->  -15846.85 
## -15869.31  ->  -15868.56 
## optimize edge weights:  -15818.87 --> -15817.72 
##  optimize topology:  -15869.31 --> -15817.72 
## -15816.05  ->  -15815.59 
## optimize edge weights:  -15815.59 --> -15815.54 
##  optimize topology:  -15817.72 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  17 
## [1] "Ratchet iteration  18 , best pscore so far: -15815.5439318904"
## -16185.72  ->  -16182.55 
## -16192.24  ->  -16182.79 
## -16182.5  ->  -16181.44 
## -16172.94  ->  -16171.66 
## -16175.5  ->  -16169.3 
## -16182.44  ->  -16174.73 
## -16191.85  ->  -16177.63 
## -16202.6  ->  -16182.18 
## -16176.25  ->  -16168.1 
## -16188.55  ->  -16180.45 
## -16188.23  ->  -16182.5 
## -16188.43  ->  -16182.5 
## -16182.62  ->  -16182.42 
## -16189.58  ->  -16156.94 
## -16179.46  ->  -16156.72 
## -16188.79  ->  -16141.1 
## -16102.75  ->  -16094.64 
## -16197.79  ->  -16142.38 
## -16190.02  ->  -16142.47 
## -16143.65  ->  -16139.09 
## -16176.73  ->  -16164.75 
## -16167.99  ->  -16156.03 
## -16175.81  ->  -16165.25 
## -16189.59  ->  -16177.67 
## -16177.19  ->  -16172.22 
## -16179.01  ->  -16168.92 
## -16177.33  ->  -16166.61 
## -16170.25  ->  -16163.53 
## -16178.27  ->  -16171.02 
## -16182.88  ->  -16180.89 
## -16197.3  ->  -16180.1 
## -16201.99  ->  -16180.76 
## optimize edge weights:  -16034.82 --> -15995.88 
##  optimize topology:  -16183.11 --> -15995.88 
## -15995.88  ->  -15994.91 
## -15995.88  ->  -15995.77 
## -15992.5  ->  -15991.59 
## -15995.88  ->  -15991.83 
## -15990.55  ->  -15978.19 
## -15989.71  ->  -15953.26 
## -15989.43  ->  -15978.98 
## -15989.84  ->  -15979.09 
## -15995.88  ->  -15994.52 
## -15995.88  ->  -15993.61 
## -15995.88  ->  -15982.91 
## -15995.88  ->  -15994.52 
## -15994.83  ->  -15992.65 
## optimize edge weights:  -15911 --> -15910.52 
##  optimize topology:  -15995.88 --> -15910.52 
## -15910.52  ->  -15909.04 
## -15910.52  ->  -15910.24 
## -15910.52  ->  -15907.98 
## -15910.52  ->  -15909.83 
## -15909.29  ->  -15908.9 
## -15905.34  ->  -15898.02 
## -15910.68  ->  -15910.06 
## -15910.52  ->  -15910.52 
## -15910.52  ->  -15909.14 
## -15910.52  ->  -15903.68 
## -15910.52  ->  -15908.89 
## optimize edge weights:  -15888.98 --> -15888.65 
##  optimize topology:  -15910.52 --> -15888.65 
## -15888.65  ->  -15886.59 
## -15888.65  ->  -15888.32 
## -15886.88  ->  -15886.16 
## -15888.65  ->  -15888.12 
## -15888.65  ->  -15870.78 
## -15888.65  ->  -15843.47 
## -15888.65  ->  -15888.65 
## optimize edge weights:  -15825.43 --> -15824.53 
##  optimize topology:  -15888.65 --> -15824.53 
## -15824.53  ->  -15823.09 
## -15824.53  ->  -15824.07 
## -15822.73  ->  -15822.27 
## -15823.89  ->  -15823.82 
## -15822.91  ->  -15822.36 
## -15823.2  ->  -15820.97 
## optimize edge weights:  -15817.74 --> -15817.51 
##  optimize topology:  -15824.53 --> -15817.51 
## -15815.93  ->  -15815.6 
## optimize edge weights:  -15815.6 --> -15815.54 
##  optimize topology:  -15817.51 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  18 
## [1] "Ratchet iteration  19 , best pscore so far: -15815.543758178"
## -16516.54  ->  -16510.76 
## -16550.3  ->  -16532.83 
## -16408.97  ->  -16187.19 
## -16539.56  ->  -16450.93 
## -16640.32  ->  -16493.92 
## -16670.57  ->  -16495.39 
## -16529.59  ->  -16526.11 
## -16538.68  ->  -16530.68 
## -16521.6  ->  -16516.44 
## -16544.43  ->  -16529.63 
## -16544.93  ->  -16534.99 
## -16513.65  ->  -16504.56 
## -16539.5  ->  -16526.02 
## -16534.69  ->  -16524.55 
## -16531.8  ->  -16524.19 
## -16540.87  ->  -16518 
## -16543.96  ->  -16519.35 
## -16495.16  ->  -16488.82 
## -16551.74  ->  -16531.25 
## -16533.38  ->  -16529.17 
## -16533.25  ->  -16528.67 
## -16475.73  ->  -16475.64 
## -16536.5  ->  -16516.15 
## -16546.99  ->  -16521.53 
## -16540.23  ->  -16518.31 
## -16536.89  ->  -16535.58 
## -16534.36  ->  -16533.31 
## -16556.64  ->  -16496.67 
## -16530.64  ->  -16483.2 
## -16522.77  ->  -16496.22 
## -16531.15  ->  -16501.95 
## optimize edge weights:  -16005.19 --> -15988.66 
##  optimize topology:  -16536.5 --> -15988.66 
## -15986.48  ->  -15983.71 
## -15979.2  ->  -15970.58 
## -15983.08  ->  -15980.76 
## -15988.66  ->  -15973.86 
## -15988.66  ->  -15979.33 
## -15988.66  ->  -15987.8 
## -15988.66  ->  -15984.26 
## -15987.63  ->  -15986.89 
## optimize edge weights:  -15954.01 --> -15953.47 
##  optimize topology:  -15988.66 --> -15953.47 
## -15953.23  ->  -15951.74 
## -15951.09  ->  -15948.31 
## -15947.21  ->  -15944.43 
## -15953.47  ->  -15952.79 
## -15953.47  ->  -15947.83 
## optimize edge weights:  -15939.06 --> -15938.73 
##  optimize topology:  -15953.47 --> -15938.73 
## -15938.73  ->  -15938 
## -15938.73  ->  -15933.11 
## optimize edge weights:  -15933.11 --> -15933 
##  optimize topology:  -15938.73 --> -15933 
## -15932.7  ->  -15932.51 
## optimize edge weights:  -15932.51 --> -15932.38 
##  optimize topology:  -15933 --> -15932.38 
## optimize edge weights:  -15932.38 --> -15932.38 
##  optimize topology:  -15932.38 --> -15932.38 
## NNI moves:  13 
## [1] "Ratchet iteration  20 , best pscore so far: -15815.543758178"
## -16367.24  ->  -16332.74 
## -16314.8  ->  -16286.05 
## -16360.81  ->  -16360.69 
## -16365.74  ->  -16363.08 
## -16383.13  ->  -16335.38 
## -16345.07  ->  -16313.44 
## -16385.33  ->  -16356.09 
## -16372.64  ->  -16350.04 
## -16374  ->  -16363.99 
## -16373.16  ->  -16364.69 
## -16368.22  ->  -16362.53 
## -16358.67  ->  -16351.09 
## -16355.54  ->  -16348.66 
## -16379.18  ->  -16274 
## -16385.25  ->  -16274 
## -16022.75  ->  -16016.69 
## -16352.93  ->  -16218.74 
## -16365.35  ->  -16364.38 
## -16361.17  ->  -16361.14 
## -16366.6  ->  -16360.58 
## -16372.37  ->  -16363 
## -16340.99  ->  -16340.98 
## -16361.06  ->  -16357.23 
## optimize edge weights:  -15902 --> -15892.84 
##  optimize topology:  -16365.27 --> -15892.84 
## -15881.85  ->  -15861.93 
## -15892.84  ->  -15892.1 
## -15892.84  ->  -15884.43 
## -15891.64  ->  -15891.37 
## optimize edge weights:  -15852.12 --> -15851.05 
##  optimize topology:  -15892.84 --> -15851.05 
## -15846.86  ->  -15846.4 
## -15849.93  ->  -15849.11 
## -15846.71  ->  -15843.27 
## -15846.68  ->  -15844.48 
## -15844.56  ->  -15831.36 
## optimize edge weights:  -15823.59 --> -15823.37 
##  optimize topology:  -15851.05 --> -15823.37 
## -15822.44  ->  -15822.28 
## -15818.22  ->  -15817.74 
## -15822.17  ->  -15821.5 
## optimize edge weights:  -15817.74 --> -15817.51 
##  optimize topology:  -15823.37 --> -15817.51 
## -15815.93  ->  -15815.6 
## optimize edge weights:  -15815.6 --> -15815.54 
##  optimize topology:  -15817.51 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  12 
## [1] "Ratchet iteration  21 , best pscore so far: -15815.543758178"
## -16192.61  ->  -16185.01 
## -16205.77  ->  -16195.7 
## -16156.19  ->  -16154.21 
## -16213.33  ->  -16189.65 
## -16221.67  ->  -16201.26 
## -16219.23  ->  -16198.62 
## -16236.32  ->  -16210.3 
## -16220.47  ->  -16202.19 
## -16211.5  ->  -16201.76 
## -16223.27  ->  -16209.55 
## -16183.84  ->  -16173.34 
## -16216.87  ->  -16200.09 
## -16212.75  ->  -16202.53 
## -16193.33  ->  -16192.04 
## -16204.09  ->  -16173.3 
## -16214.86  ->  -16181.03 
## -16215.01  ->  -16208.79 
## -16208.09  ->  -16206.46 
## -16222.27  ->  -16212.55 
## -16216.03  ->  -16176.99 
## -16180.64  ->  -16163.8 
## -16212.55  ->  -16181.3 
## -16188.69  ->  -16170.92 
## -16211.07  ->  -16202.46 
## -16214.01  ->  -16203.77 
## -16213.9  ->  -16211.44 
## -16211.09  ->  -16210.21 
## -16213.75  ->  -16210.86 
## -16218.83  ->  -16211.94 
## -16201.98  ->  -16199.62 
## -16213.59  ->  -16208.54 
## optimize edge weights:  -16053.79 --> -16010.92 
##  optimize topology:  -16213.02 --> -16010.92 
## -16009.47  ->  -16009.24 
## -16009.49  ->  -16009.41 
## -16009.86  ->  -16009.55 
## -16002.94  ->  -15986.41 
## -15999.37  ->  -15993.43 
## -16009.46  ->  -16008.84 
## -16006.33  ->  -15997.53 
## -16010.92  ->  -16004.49 
## -16010.92  ->  -16010.92 
## -16010.92  ->  -16010.67 
## -16010.92  ->  -16010.92 
## -16010.92  ->  -15983.85 
## -16010.92  ->  -16009.52 
## -16000.85  ->  -15997.74 
## optimize edge weights:  -15915.42 --> -15912.35 
##  optimize topology:  -16010.92 --> -15912.35 
## -15908.89  ->  -15907.07 
## -15899.68  ->  -15872.06 
## -15912.29  ->  -15912.21 
## -15907.34  ->  -15882.52 
## -15912.35  ->  -15901.46 
## -15912.35  ->  -15910.39 
## -15912.35  ->  -15912.33 
## -15911.47  ->  -15910.94 
## optimize edge weights:  -15842.02 --> -15841.26 
##  optimize topology:  -15912.35 --> -15841.26 
## -15838.59  ->  -15836.03 
## -15841.26  ->  -15830.71 
## -15841.26  ->  -15839.15 
## -15841.26  ->  -15840.23 
## -15840.94  ->  -15840.84 
## optimize edge weights:  -15825.55 --> -15825.09 
##  optimize topology:  -15841.26 --> -15825.09 
## -15825.09  ->  -15815.55 
## -15825.09  ->  -15825.09 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15825.09 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  16 
## [1] "Ratchet iteration  22 , best pscore so far: -15815.543758178"
## -16445.87  ->  -16367.28 
## -16435.6  ->  -16367.12 
## -16236  ->  -16226.96 
## -16372.86  ->  -16294.08 
## -16383.65  ->  -16371.2 
## -16377.61  ->  -16364.53 
## -16394.17  ->  -16367.11 
## -16392.34  ->  -16367.11 
## -16393.27  ->  -16373.91 
## -16394.45  ->  -16373.91 
## -16333.26  ->  -16328.72 
## -16385.08  ->  -16370.81 
## -16340.55  ->  -16340.09 
## -16385.35  ->  -16371.88 
## -16389.7  ->  -16374.73 
## -16372.93  ->  -16368.81 
## -16386.36  ->  -16382.57 
## -16385.28  ->  -16381.75 
## -16388.91  ->  -16349.97 
## -16394.57  ->  -16353.78 
## -16383.49  ->  -16342.35 
## -16388.9  ->  -16343.88 
## -16350.09  ->  -16294.52 
## -16391.77  ->  -16340.61 
## -16318.81  ->  -16311.6 
## -16376.96  ->  -16350.84 
## -16399.16  ->  -16384.08 
## -16385.39  ->  -16384.21 
## -16377.61  ->  -16377.5 
## -16380.93  ->  -16347.29 
## -16397.02  ->  -16352.61 
## -16381  ->  -16380.79 
## -16383.17  ->  -16381.92 
## -16383.75  ->  -16383.58 
## -16385.09  ->  -16384.54 
## optimize edge weights:  -16019.45 --> -15961.64 
##  optimize topology:  -16385.08 --> -15961.64 
## -15961.64  ->  -15961.64 
## -15961.64  ->  -15952.17 
## -15955.28  ->  -15950.31 
## -15956.53  ->  -15951.8 
## -15957.91  ->  -15954.87 
## -15949.97  ->  -15923.4 
## -15961.71  ->  -15961.63 
## -15961.64  ->  -15958.5 
## optimize edge weights:  -15903.07 --> -15902.45 
##  optimize topology:  -15961.64 --> -15902.45 
## -15901.47  ->  -15901.16 
## -15900.02  ->  -15898.89 
## -15897.96  ->  -15892.35 
## -15897.43  ->  -15891.97 
## -15902.09  ->  -15898.25 
## optimize edge weights:  -15891.97 --> -15891.06 
##  optimize topology:  -15902.45 --> -15891.06 
## -15888.7  ->  -15886.92 
## -15891.32  ->  -15891.02 
## -15881.33  ->  -15876.51 
## -15891.06  ->  -15871.74 
## -15891.06  ->  -15891.02 
## optimize edge weights:  -15871.74 --> -15871.54 
##  optimize topology:  -15891.06 --> -15871.54 
## -15869.45  ->  -15867.84 
## -15863.22  ->  -15859.9 
## optimize edge weights:  -15859.9 --> -15859.54 
##  optimize topology:  -15871.54 --> -15859.54 
## -15852.01  ->  -15833.2 
## -15859.56  ->  -15859.43 
## optimize edge weights:  -15833.2 --> -15832.12 
##  optimize topology:  -15859.54 --> -15832.12 
## -15830.55  ->  -15829.42 
## -15826.02  ->  -15816.37 
## optimize edge weights:  -15816.37 --> -15815.84 
##  optimize topology:  -15832.12 --> -15815.84 
## -15815.71  ->  -15815.61 
## optimize edge weights:  -15815.61 --> -15815.54 
##  optimize topology:  -15815.84 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  15 
## [1] "Ratchet iteration  23 , best pscore so far: -15815.543758178"
## -16505.63  ->  -16501.17 
## -16506.62  ->  -16500.33 
## -16507.72  ->  -16504.49 
## -16516.64  ->  -16506.7 
## -16503.13  ->  -16489.44 
## -16504.81  ->  -16493.74 
## -16513.44  ->  -16496.39 
## -16499.56  ->  -16491.38 
## -16490.64  ->  -16490.58 
## -16513.4  ->  -16506.47 
## -16508.02  ->  -16495 
## -16518.82  ->  -16502.43 
## -16509.36  ->  -16506.57 
## -16505.04  ->  -16504.96 
## -16508.34  ->  -16507.64 
## -16476.15  ->  -16471.3 
## -16511.84  ->  -16492.75 
## -16525.09  ->  -16506.14 
## -16548.3  ->  -16507.7 
## -16504.65  ->  -16504.01 
## -16510.85  ->  -16507.33 
## -16493.14  ->  -16484.52 
## -16510.91  ->  -16493.5 
## -16505.12  ->  -16492.91 
## -16515.12  ->  -16496.85 
## -16503.25  ->  -16500.58 
## -16507.58  ->  -16505.45 
## -16529.23  ->  -16494.6 
## -16531.42  ->  -16495.64 
## -16441.04  ->  -16439.67 
## -16497.44  ->  -16475.43 
## -16492.85  ->  -16434.59 
## -16512.33  ->  -16440.66 
## -16428.31  ->  -16318.27 
## -16505.04  ->  -16414.95 
## -16534.61  ->  -16437.57 
## -16479.95  ->  -16425.5 
## -16524.96  ->  -16504.14 
## -16520.85  ->  -16503.24 
## -16475.01  ->  -16461.14 
## -16508.45  ->  -16484.97 
## -16508.86  ->  -16486.77 
## -16481.76  ->  -16476.21 
## optimize edge weights:  -16181.71 --> -16122.65 
##  optimize topology:  -16508.51 --> -16122.65 
## -16122.13  ->  -16121.48 
## -16121.19  ->  -16120.08 
## -16119.33  ->  -16101.52 
## -16122  ->  -16121.4 
## -16122.56  ->  -16121.1 
## -16121.09  ->  -16119.94 
## -16120.63  ->  -16119.7 
## -16122.21  ->  -16121.15 
## -16122.55  ->  -16121.63 
## -16121.2  ->  -16120.5 
## -16110.64  ->  -16083.58 
## -16122.22  ->  -16121.96 
## -16122.65  ->  -16120.02 
## -16122.65  ->  -16109.89 
## -16122.65  ->  -15988.3 
## -16122.65  ->  -16122.19 
## -16122.17  ->  -16122.15 
## -16122.64  ->  -16082.38 
## optimize edge weights:  -15879.19 --> -15878.55 
##  optimize topology:  -16122.65 --> -15878.55 
## -15877.95  ->  -15877.24 
## -15877.29  ->  -15876.42 
## -15878.4  ->  -15876.86 
## -15879.01  ->  -15878.27 
## -15876.71  ->  -15876.06 
## -15877.91  ->  -15876.24 
## -15877.14  ->  -15871.82 
## optimize edge weights:  -15869.8 --> -15869.51 
##  optimize topology:  -15878.55 --> -15869.51 
## -15869.66  ->  -15868.11 
## -15870.32  ->  -15869.36 
## -15866.11  ->  -15865.38 
## optimize edge weights:  -15865.38 --> -15865.1 
##  optimize topology:  -15869.51 --> -15865.1 
## -15865.11  ->  -15863.63 
## optimize edge weights:  -15863.63 --> -15863.56 
##  optimize topology:  -15865.1 --> -15863.56 
## -15862.09  ->  -15855.46 
## optimize edge weights:  -15855.46 --> -15855.44 
##  optimize topology:  -15863.56 --> -15855.44 
## optimize edge weights:  -15855.44 --> -15855.44 
##  optimize topology:  -15855.44 --> -15855.44 
## NNI moves:  17 
## [1] "Ratchet iteration  24 , best pscore so far: -15815.543758178"
## -16012.54  ->  -16001.58 
## -15985.73  ->  -15984.85 
## -16017.32  ->  -16004.67 
## -16015.16  ->  -16001.43 
## -15968.31  ->  -15968.29 
## -16007.85  ->  -15997.65 
## -16009.28  ->  -16007.13 
## -16012.58  ->  -16009.91 
## -15999.52  ->  -15999.5 
## -16003.67  ->  -16003.05 
## -16001.15  ->  -16000.7 
## -16007.92  ->  -16004.86 
## -16012.14  ->  -16008.9 
## -16009.73  ->  -16005.47 
## -16013.34  ->  -15992.13 
## -16016.3  ->  -15993.82 
## -15943.45  ->  -15933.52 
## -16025.38  ->  -15989.62 
## optimize edge weights:  -15878.78 --> -15864.25 
##  optimize topology:  -16011.46 --> -15864.25 
## -15864.25  ->  -15847.17 
## -15862.46  ->  -15861.95 
## -15861.16  ->  -15857.53 
## -15862.28  ->  -15860.49 
## -15864.25  ->  -15847.6 
## -15864.25  ->  -15855.28 
## optimize edge weights:  -15830.49 --> -15830.25 
##  optimize topology:  -15864.25 --> -15830.25 
## -15823.18  ->  -15822.51 
## -15828.97  ->  -15828.35 
## -15827.14  ->  -15823.36 
## -15828.31  ->  -15826.57 
## -15830.11  ->  -15830.01 
## -15829.71  ->  -15829.25 
## optimize edge weights:  -15822.51 --> -15822.19 
##  optimize topology:  -15830.25 --> -15822.19 
## -15818.85  ->  -15816.79 
## -15820.35  ->  -15819.57 
## -15821.99  ->  -15821.86 
## -15821.6  ->  -15821.08 
## optimize edge weights:  -15815.65 --> -15815.54 
##  optimize topology:  -15822.19 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  8 
## [1] "Ratchet iteration  25 , best pscore so far: -15815.543758178"
## -16036.79  ->  -16036.09 
## -16047.72  ->  -16037.92 
## -16026.45  ->  -16025.69 
## -16042.54  ->  -16033.14 
## -16044.66  ->  -16033.7 
## -16047.33  ->  -16036.29 
## -16048.32  ->  -16036.29 
## -16030.66  ->  -16022.77 
## -16026.25  ->  -16019.34 
## -16040.22  ->  -16019.73 
## -16028.72  ->  -16014.67 
## -16044.04  ->  -16038.28 
## -16042.05  ->  -16038.23 
## -15996.69  ->  -15995.65 
## -16036.86  ->  -16021.62 
## -16044.96  ->  -16030.34 
## -16064.17  ->  -16033.21 
## -16029.14  ->  -16025.21 
## -16044.28  ->  -16034.85 
## -16040.95  ->  -16031.38 
## -16047.98  ->  -16035.42 
## -16035.15  ->  -16035.04 
## -16044.06  ->  -16031.13 
## -16033.75  ->  -16025.79 
## -16019.28  ->  -15997.1 
## -16038.98  ->  -16025.53 
## -16034.27  ->  -16029.41 
## -16034.72  ->  -16030.47 
## -16041.52  ->  -16036.65 
## -16045.12  ->  -16037.78 
## -16015.28  ->  -16015.21 
## -16038.59  ->  -16033.77 
## -16034.1  ->  -16032.31 
## -16031.34  ->  -16031.17 
## optimize edge weights:  -15916.45 --> -15886.2 
##  optimize topology:  -16038.52 --> -15886.2 
## -15888.29  ->  -15885.4 
## -15885.22  ->  -15882.9 
## -15884.01  ->  -15883.3 
## -15886.2  ->  -15884.33 
## -15886.2  ->  -15885.11 
## -15886.31  ->  -15885.47 
## -15884.2  ->  -15878.81 
## -15884.25  ->  -15884.02 
## -15884.15  ->  -15883.2 
## -15883.56  ->  -15880.98 
## -15886.2  ->  -15877.71 
## -15886.2  ->  -15885.86 
## optimize edge weights:  -15873.65 --> -15873.21 
##  optimize topology:  -15886.2 --> -15873.21 
## -15869.65  ->  -15864.62 
## -15870.72  ->  -15865.1 
## -15872.83  ->  -15872.7 
## -15873.14  ->  -15868.88 
## -15873.17  ->  -15871.75 
## -15872.26  ->  -15872.16 
## optimize edge weights:  -15862.04 --> -15860.64 
##  optimize topology:  -15873.21 --> -15860.64 
## -15857.41  ->  -15856.68 
## -15851.92  ->  -15849.37 
## -15851.65  ->  -15843.34 
## -15858.08  ->  -15852.18 
## -15860.16  ->  -15860.02 
## -15855.66  ->  -15855.18 
## optimize edge weights:  -15837.96 --> -15837.29 
##  optimize topology:  -15860.64 --> -15837.29 
## -15835.15  ->  -15834.77 
## -15828.26  ->  -15826.03 
## -15835  ->  -15828.98 
## -15835.7  ->  -15835.31 
## optimize edge weights:  -15823.9 --> -15823.74 
##  optimize topology:  -15837.29 --> -15823.74 
## -15823.62  ->  -15823.5 
## -15822.22  ->  -15815.87 
## optimize edge weights:  -15815.87 --> -15815.84 
##  optimize topology:  -15823.74 --> -15815.84 
## -15815.71  ->  -15815.61 
## optimize edge weights:  -15815.61 --> -15815.54 
##  optimize topology:  -15815.84 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  15 
## [1] "Ratchet iteration  26 , best pscore so far: -15815.543758178"
## -16365.95  ->  -16365.87 
## -16383.72  ->  -16379.94 
## -16385.46  ->  -16381.53 
## -16381.4  ->  -16378.18 
## -16383.51  ->  -16382.62 
## -16371.59  ->  -16371.57 
## -16376.42  ->  -16375.54 
## -16383.05  ->  -16363.69 
## -16385.62  ->  -16365.27 
## -16359.33  ->  -16353.97 
## -16382.54  ->  -16367.09 
## -16407.29  ->  -16349.75 
## -16425  ->  -16351.07 
## -16222.95  ->  -16221.46 
## -16368.22  ->  -16295.77 
## -16383.87  ->  -16370.2 
## -16378.07  ->  -16364.11 
## -16392.58  ->  -16382.14 
## -16370.7  ->  -16351.42 
## -16387.58  ->  -16357.31 
## -16397.8  ->  -16360.73 
## -16392.39  ->  -16356.54 
## -16265.3  ->  -16246.12 
## -16405.09  ->  -16340.76 
## -16400.66  ->  -16374.84 
## -16405.52  ->  -16375.58 
## -16382.39  ->  -16368.52 
## -16381.79  ->  -16370.25 
## -16313.26  ->  -16311.19 
## -16382.31  ->  -16355.58 
## -16413.95  ->  -16382.02 
## -16409.97  ->  -16381.75 
## -16354.65  ->  -16342.22 
## -16372.98  ->  -16356.82 
## -16397.65  ->  -16368.63 
## -16399.97  ->  -16370.01 
## -16329.78  ->  -16316.3 
## -16383.35  ->  -16368.48 
## optimize edge weights:  -15992.3 --> -15950.65 
##  optimize topology:  -16383.35 --> -15950.65 
## -15950.64  ->  -15950.6 
## -15938.16  ->  -15918.38 
## -15950.66  ->  -15950.57 
## -15949.27  ->  -15948.44 
## -15947.81  ->  -15943.13 
## -15939.5  ->  -15914.69 
## -15950.01  ->  -15949.97 
## -15940.74  ->  -15933.63 
## -15947.05  ->  -15945.95 
## -15945.08  ->  -15944.36 
## -15950.65  ->  -15948.55 
## -15950.65  ->  -15950.37 
## optimize edge weights:  -15878.87 --> -15876.49 
##  optimize topology:  -15950.65 --> -15876.49 
## -15873.8  ->  -15871.82 
## -15876.08  ->  -15875.78 
## -15870.53  ->  -15869.9 
## -15865.17  ->  -15859.24 
## optimize edge weights:  -15847.63 --> -15847.43 
##  optimize topology:  -15876.49 --> -15847.43 
## -15847.79  ->  -15847.39 
## optimize edge weights:  -15847.39 --> -15847.25 
##  optimize topology:  -15847.43 --> -15847.25 
## -15841.03  ->  -15835.88 
## optimize edge weights:  -15835.88 --> -15835.72 
##  optimize topology:  -15847.25 --> -15835.72 
## -15828.83  ->  -15819 
## optimize edge weights:  -15819 --> -15818.51 
##  optimize topology:  -15835.72 --> -15818.51 
## -15817.93  ->  -15815.74 
## optimize edge weights:  -15815.74 --> -15815.54 
##  optimize topology:  -15818.51 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  16 
## [1] "Ratchet iteration  27 , best pscore so far: -15815.543758178"
## -16577.96  ->  -16516.64 
## -16579.57  ->  -16514.97 
## -16555.97  ->  -16536.62 
## -16553.78  ->  -16533.84 
## -16399.52  ->  -16399.35 
## -16571.87  ->  -16479.53 
## -16563.84  ->  -16557.29 
## -16551.54  ->  -16549.69 
## -16559.9  ->  -16550.4 
## -16563.58  ->  -16551.09 
## -16555.94  ->  -16543.12 
## -16502.14  ->  -16498.04 
## -16548.3  ->  -16545.67 
## -16558.92  ->  -16553.04 
## -16547.27  ->  -16542.56 
## -16523.68  ->  -16522.93 
## -16558.86  ->  -16557.72 
## -16567.33  ->  -16550.69 
## -16556.05  ->  -16543.92 
## -16587.16  ->  -16556.97 
## -16591.24  ->  -16555.65 
## -16560.46  ->  -16524.24 
## -16521.99  ->  -16493.53 
## -16598.52  ->  -16534.25 
## -16605.84  ->  -16534.25 
## -16490.32  ->  -16388.67 
## -16544.84  ->  -16449.67 
## -16574.06  ->  -16484.88 
## -16529.51  ->  -16474.85 
## -16551.22  ->  -16544.23 
## -16552  ->  -16540.27 
## -16561.85  ->  -16551.49 
## -16557.69  ->  -16549.77 
## -16542.06  ->  -16541.67 
## -16568.34  ->  -16553.18 
## -16562.36  ->  -16552.18 
## -16565.49  ->  -16553.15 
## -16566.36  ->  -16550.96 
## -16564.45  ->  -16550.94 
## -16522.09  ->  -16522.03 
## -16552.33  ->  -16541.43 
## -16550.92  ->  -16550.06 
## -16554.44  ->  -16552.17 
## optimize edge weights:  -16116.91 --> -16057.74 
##  optimize topology:  -16558.45 --> -16057.74 
## -16054.53  ->  -16052.25 
## -16057.32  ->  -16057.23 
## -16057.74  ->  -16056.15 
## -16057.74  ->  -16056.04 
## -16057.74  ->  -16054.76 
## -16056  ->  -16054.2 
## -16049.11  ->  -16031.14 
## -16056.74  ->  -16056.52 
## -16057.8  ->  -16057.14 
## -16056.81  ->  -16056.35 
## -16052  ->  -16027.27 
## -16057.74  ->  -15938.94 
## -16057.74  ->  -16057.06 
## -16055.79  ->  -16049.37 
## -16057.74  ->  -16053.68 
## -16057.74  ->  -16055.8 
## optimize edge weights:  -15904.74 --> -15902.59 
##  optimize topology:  -16057.74 --> -15902.59 
## -15901.92  ->  -15901.77 
## -15901.95  ->  -15901.84 
## -15902.59  ->  -15900.73 
## -15902.59  ->  -15901.09 
## -15896.19  ->  -15895.56 
## -15902.21  ->  -15900.77 
## -15901.2  ->  -15899.42 
## -15898.13  ->  -15867.04 
## -15903.29  ->  -15902.49 
## -15899.97  ->  -15893.27 
## optimize edge weights:  -15855.16 --> -15854.72 
##  optimize topology:  -15902.59 --> -15854.72 
## -15847.44  ->  -15841.98 
## -15854.62  ->  -15854.45 
## -15847.16  ->  -15846.5 
## -15853.03  ->  -15851.19 
## -15853.63  ->  -15852.69 
## -15853.96  ->  -15853.22 
## -15854.19  ->  -15853.22 
## optimize edge weights:  -15837.82 --> -15837.31 
##  optimize topology:  -15854.72 --> -15837.31 
## -15830.24  ->  -15829.69 
## -15835.38  ->  -15834.9 
## -15827.21  ->  -15822.4 
## optimize edge weights:  -15822.4 --> -15822.27 
##  optimize topology:  -15837.31 --> -15822.27 
## -15816.2  ->  -15815.67 
## -15821.24  ->  -15820.59 
## optimize edge weights:  -15815.67 --> -15815.54 
##  optimize topology:  -15822.27 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  18 
## [1] "Ratchet iteration  28 , best pscore so far: -15815.543758178"
## -16531.54  ->  -16522.48 
## -16542.89  ->  -16533.42 
## -16552.35  ->  -16545.04 
## -16548.1  ->  -16545.03 
## -16545.93  ->  -16528.18 
## -16547.88  ->  -16528.81 
## -16483.06  ->  -16473.95 
## -16544.31  ->  -16513.31 
## -16564.18  ->  -16544.5 
## -16567.58  ->  -16545.37 
## -16561.59  ->  -16516.59 
## -16554.77  ->  -16515.41 
## -16550.68  ->  -16538.58 
## -16544.55  ->  -16536.88 
## -16565.34  ->  -16529.98 
## -16539.45  ->  -16516.39 
## -16548.27  ->  -16481.15 
## -16543.78  ->  -16476.52 
## -16377.77  ->  -16377.73 
## -16557.43  ->  -16452.36 
## -16543.16  ->  -16538.81 
## -16543.24  ->  -16538.67 
## -16555.34  ->  -16531.78 
## -16556.13  ->  -16531.78 
## -16484.42  ->  -16484.34 
## -16545.98  ->  -16525.41 
## -16515.58  ->  -16515.03 
## -16547.57  ->  -16534.66 
## -16553.13  ->  -16541.29 
## -16554.33  ->  -16541.29 
## -16552.82  ->  -16542.31 
## -16550.19  ->  -16541.81 
## -16559.69  ->  -16543.39 
## -16576.68  ->  -16511.09 
## -16581.26  ->  -16511.1 
## -16474.71  ->  -16381.21 
## -16534.04  ->  -16449.23 
## -16562.84  ->  -16474.94 
## -16536.32  ->  -16469.41 
## optimize edge weights:  -16046.11 --> -16013.2 
##  optimize topology:  -16545.98 --> -16013.2 
## -16007.6  ->  -16001.72 
## -16012.15  ->  -16011.74 
## -16011.04  ->  -16006.93 
## -16012.41  ->  -16010.42 
## -16012.49  ->  -16012.28 
## -16011.14  ->  -16008.94 
## -16013.2  ->  -15885.65 
## -16013.2  ->  -16012.61 
## -16012.16  ->  -16011.34 
## optimize edge weights:  -15871.04 --> -15869.14 
##  optimize topology:  -16013.2 --> -15869.14 
## -15867.88  ->  -15867.48 
## -15858.57  ->  -15845.46 
## -15867.17  ->  -15864.99 
## -15869.14  ->  -15866.81 
## -15869.14  ->  -15845.3 
## optimize edge weights:  -15821.32 --> -15821 
##  optimize topology:  -15869.14 --> -15821 
## -15819.41  ->  -15819.08 
## -15819.95  ->  -15819.69 
## -15819.02  ->  -15817.57 
## optimize edge weights:  -15815.64 --> -15815.54 
##  optimize topology:  -15821 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  14 
## [1] "Ratchet iteration  29 , best pscore so far: -15815.543758178"
## -16556.35  ->  -16536.95 
## -16568.84  ->  -16541.82 
## -16550.79  ->  -16507.69 
## -16566.27  ->  -16505.88 
## -16554.62  ->  -16522.03 
## -16554.06  ->  -16520.65 
## -16527.51  ->  -16459.14 
## -16551.43  ->  -16487.31 
## -16589.41  ->  -16509.03 
## -16553.58  ->  -16495.43 
## -16557.58  ->  -16546.18 
## -16565.95  ->  -16548.21 
## -16558.85  ->  -16546.6 
## -16569.21  ->  -16553.15 
## -16491.45  ->  -16490.9 
## -16568.32  ->  -16536.36 
## -16530.35  ->  -16527.17 
## -16553.78  ->  -16545.57 
## -16555.01  ->  -16555.01 
## -16553.65  ->  -16550.29 
## -16560.96  ->  -16552.5 
## -16572.41  ->  -16536.36 
## -16582.78  ->  -16540.86 
## -16612.88  ->  -16543.17 
## -16623.44  ->  -16543.17 
## -16336.02  ->  -16336 
## -16572.91  ->  -16468.17 
## -16550.17  ->  -16545.02 
## -16554.34  ->  -16549.94 
## -16514.93  ->  -16514.66 
## -16549.55  ->  -16541.15 
## -16558.48  ->  -16549.81 
## -16559.73  ->  -16550.11 
## -16494.67  ->  -16485.42 
## -16557.72  ->  -16527.36 
## -16551.81  ->  -16542.07 
## -16557.16  ->  -16545.26 
## -16557.59  ->  -16555.96 
## -16559.39  ->  -16556.51 
## -16566.17  ->  -16524.79 
## -16519.14  ->  -16492.85 
## -16572.6  ->  -16541.56 
## -16563.24  ->  -16539.99 
## optimize edge weights:  -16039.46 --> -16004.44 
##  optimize topology:  -16556.83 --> -16004.44 
## -15996.08  ->  -15921.29 
## -16003.07  ->  -16001.45 
## -16000.61  ->  -15988.94 
## -16003.55  ->  -16002.49 
## -16003.08  ->  -16002.92 
## -16004.44  ->  -15992.89 
## -16004.44  ->  -16004.44 
## -16004.44  ->  -16004.44 
## -16000.89  ->  -15992.9 
## -16003.45  ->  -16003.17 
## -16000.96  ->  -15995.95 
## optimize edge weights:  -15881.77 --> -15880.46 
##  optimize topology:  -16004.44 --> -15880.46 
## -15878.19  ->  -15875.23 
## -15870.43  ->  -15861.01 
## -15874.11  ->  -15867.83 
## -15880.46  ->  -15878.82 
## -15880.46  ->  -15879.63 
## optimize edge weights:  -15859.91 --> -15859.5 
##  optimize topology:  -15880.46 --> -15859.5 
## -15853.25  ->  -15838.54 
## -15856.89  ->  -15850.27 
## -15854.03  ->  -15850.16 
## optimize edge weights:  -15838.54 --> -15838.4 
##  optimize topology:  -15859.5 --> -15838.4 
## -15837.28  ->  -15837.09 
## -15836.55  ->  -15828.85 
## -15838.38  ->  -15838.35 
## -15833.2  ->  -15829.53 
## optimize edge weights:  -15828.85 --> -15828.78 
##  optimize topology:  -15838.4 --> -15828.78 
## -15827.71  ->  -15827.54 
## -15822.65  ->  -15818.26 
## optimize edge weights:  -15818.26 --> -15818.1 
##  optimize topology:  -15828.78 --> -15818.1 
## -15816.32  ->  -15815.93 
## -15817.72  ->  -15817.57 
## optimize edge weights:  -15815.64 --> -15815.55 
##  optimize topology:  -15818.1 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  20 
## [1] "Ratchet iteration  30 , best pscore so far: -15815.543758178"
## -16660.27  ->  -16609.06 
## -16637  ->  -16603.21 
## -16651.91  ->  -16599.07 
## -16636.41  ->  -16591.7 
## -16451.9  ->  -16451.55 
## -16622.98  ->  -16527.11 
## -16618.49  ->  -16558.13 
## -16618.69  ->  -16557.26 
## -16609.59  ->  -16598.83 
## -16602.51  ->  -16591.16 
## -16615.39  ->  -16599.19 
## -16609.35  ->  -16596.89 
## -16607.94  ->  -16590.76 
## -16612.56  ->  -16593.83 
## -16624.35  ->  -16602.08 
## -16625.13  ->  -16602.08 
## -16562.54  ->  -16562.48 
## -16615.16  ->  -16595.73 
## -16616.13  ->  -16598.58 
## -16606.43  ->  -16597.45 
## -16598.71  ->  -16595.91 
## -16614.7  ->  -16605.65 
## -16617.57  ->  -16614.01 
## -16613.38  ->  -16610.4 
## -16607.53  ->  -16575.09 
## -16559.64  ->  -16535.52 
## -16622.7  ->  -16582.9 
## -16611.87  ->  -16576.88 
## -16625.55  ->  -16613.19 
## -16619.54  ->  -16611.04 
## -16628.95  ->  -16611.34 
## -16639.18  ->  -16593.05 
## -16644.36  ->  -16593.99 
## -16677.22  ->  -16592.92 
## -16689.89  ->  -16592.92 
## -16378.45  ->  -16378.44 
## -16599.05  ->  -16508.17 
## -16635.44  ->  -16613.87 
## -16643.15  ->  -16614.93 
## -16574.01  ->  -16573.6 
## -16617.06  ->  -16593.44 
## -16626.55  ->  -16614.4 
## -16603.38  ->  -16590.05 
## -16605.09  ->  -16591.19 
## -16585.35  ->  -16582.83 
## -16618.45  ->  -16596.25 
## -16615.86  ->  -16600.44 
## -16613.96  ->  -16600.15 
## -16617.17  ->  -16611.5 
## -16622.84  ->  -16613.77 
## -16590.35  ->  -16590.33 
## -16612.05  ->  -16607.36 
## optimize edge weights:  -15979.51 --> -15932.68 
##  optimize topology:  -16615.16 --> -15932.68 
## -15929.15  ->  -15927.18 
## -15932.38  ->  -15931.59 
## -15933.09  ->  -15932.07 
## -15932.68  ->  -15932.34 
## -15932.68  ->  -15926.91 
## -15932.58  ->  -15932.28 
## -15932.68  ->  -15928.3 
## -15932.68  ->  -15931.08 
## -15924.9  ->  -15921.22 
## -15930.97  ->  -15929.67 
## -15929.92  ->  -15928.71 
## -15933.58  ->  -15932.54 
## -15929.38  ->  -15925.36 
## -15930.66  ->  -15928.63 
## optimize edge weights:  -15907.77 --> -15907.34 
##  optimize topology:  -15932.68 --> -15907.34 
## -15901.22  ->  -15887.66 
## -15907.96  ->  -15907.26 
## -15907.34  ->  -15894.77 
## -15907.34  ->  -15905.8 
## -15907.34  ->  -15903.03 
## -15907.34  ->  -15907.29 
## -15907.34  ->  -15905.87 
## -15905.03  ->  -15903.76 
## -15908.23  ->  -15907.16 
## optimize edge weights:  -15882.84 --> -15882.55 
##  optimize topology:  -15907.34 --> -15882.55 
## -15882.55  ->  -15864.31 
## -15882.55  ->  -15880.92 
## -15878.45  ->  -15877.77 
## -15881.48  ->  -15880.86 
## -15882.55  ->  -15872.15 
## -15882.55  ->  -15881.05 
## optimize edge weights:  -15852.28 --> -15852.02 
##  optimize topology:  -15882.55 --> -15852.02 
## -15843.04  ->  -15821.36 
## -15852.56  ->  -15851.89 
## optimize edge weights:  -15821.04 --> -15820.53 
##  optimize topology:  -15852.02 --> -15820.53 
## optimize edge weights:  -15820.53 --> -15820.53 
##  optimize topology:  -15820.53 --> -15820.53 
## NNI moves:  20 
## [1] "Ratchet iteration  31 , best pscore so far: -15815.543758178"
## -16497.39  ->  -16477.3 
## -16487.8  ->  -16475.32 
## -16476.93  ->  -16476.64 
## -16505.3  ->  -16486.78 
## -16489.77  ->  -16481.19 
## -16496.8  ->  -16485.1 
## -16486.95  ->  -16484.68 
## -16492.69  ->  -16489.3 
## -16489.51  ->  -16474.27 
## -16497.15  ->  -16479.59 
## -16423.31  ->  -16421.12 
## -16488.41  ->  -16465.68 
## -16481.36  ->  -16479.8 
## -16493.41  ->  -16479.3 
## -16470.99  ->  -16467.86 
## -16531.71  ->  -16467.05 
## -16528.99  ->  -16466.96 
## -16315.51  ->  -16315.17 
## -16484.62  ->  -16385.33 
## -16494.44  ->  -16425.12 
## -16497.03  ->  -16426.11 
## -16496.04  ->  -16470.99 
## -16518.13  ->  -16476.86 
## -16451.13  ->  -16451.02 
## -16489.66  ->  -16480.16 
## -16494.93  ->  -16486.99 
## -16496.15  ->  -16487.29 
## -16483.58  ->  -16469.23 
## -16493.81  ->  -16469.73 
## -16478.64  ->  -16464.76 
## -16493.9  ->  -16468.72 
## -16493.57  ->  -16492.2 
## -16495.79  ->  -16492.93 
## -16493.19  ->  -16492.75 
## -16495.16  ->  -16490.47 
## -16494.43  ->  -16491.82 
## -16480.94  ->  -16443.59 
## -16500.19  ->  -16455.78 
## -16263.27  ->  -16262.79 
## -16513.95  ->  -16394.27 
## -16546.8  ->  -16480.5 
## -16537.54  ->  -16481 
## optimize edge weights:  -15928.33 --> -15915.04 
##  optimize topology:  -16493.02 --> -15915.04 
## -15913.16  ->  -15911.8 
## -15913.51  ->  -15912.07 
## -15914.68  ->  -15914.63 
## -15915.04  ->  -15912.16 
## -15915.04  ->  -15876.91 
## -15906.61  ->  -15901.78 
## -15911.85  ->  -15911.24 
## -15915.47  ->  -15914.59 
## -15915.04  ->  -15911.44 
## -15911.89  ->  -15911.63 
## optimize edge weights:  -15857.2 --> -15856.82 
##  optimize topology:  -15915.04 --> -15856.82 
## -15855.84  ->  -15850.16 
## -15856.62  ->  -15856.4 
## -15855.31  ->  -15855.18 
## -15848.64  ->  -15840.97 
## -15856.82  ->  -15856.82 
## -15856.82  ->  -15856.82 
## -15853.91  ->  -15853.34 
## optimize edge weights:  -15835.28 --> -15834.37 
##  optimize topology:  -15856.82 --> -15834.37 
## -15833.06  ->  -15830.88 
## -15833.09  ->  -15827.12 
## optimize edge weights:  -15823.96 --> -15823.77 
##  optimize topology:  -15834.37 --> -15823.77 
## -15823.32  ->  -15823.2 
## optimize edge weights:  -15823.2 --> -15823.14 
##  optimize topology:  -15823.77 --> -15823.14 
## -15819.6  ->  -15818.01 
## -15822.92  ->  -15822.83 
## optimize edge weights:  -15818.01 --> -15817.72 
##  optimize topology:  -15823.14 --> -15817.72 
## -15816.06  ->  -15815.59 
## optimize edge weights:  -15815.59 --> -15815.55 
##  optimize topology:  -15817.72 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  19 
## [1] "Ratchet iteration  32 , best pscore so far: -15815.543758178"
## -16311.67  ->  -16278.99 
## -16246.91  ->  -16239.72 
## -16356.11  ->  -16290.07 
## -16369.24  ->  -16290.31 
## -16309.68  ->  -16242.46 
## -16305.68  ->  -16238.69 
## -16138.95  ->  -16138.71 
## -16310.99  ->  -16211.26 
## -16323.24  ->  -16301.23 
## -16311.27  ->  -16298.13 
## -16312.27  ->  -16297.75 
## -16293.48  ->  -16289.24 
## -16288.98  ->  -16288.91 
## -16312.22  ->  -16304.77 
## -16309.72  ->  -16288.46 
## -16300.95  ->  -16283.09 
## -16289.97  ->  -16279.28 
## -16320.98  ->  -16299.08 
## -16312.53  ->  -16284.6 
## -16298  ->  -16279.68 
## -16310.47  ->  -16305.96 
## -16309.28  ->  -16306.38 
## -16312.26  ->  -16280.11 
## -16325.11  ->  -16280.68 
## -16229.79  ->  -16228.9 
## -16294.44  ->  -16269.86 
## -16313.72  ->  -16286.83 
## -16320.83  ->  -16286.66 
## -16285.49  ->  -16284.5 
## -16303.4  ->  -16295.96 
## -16298.71  ->  -16290.82 
## -16312.93  ->  -16301.45 
## -16313.46  ->  -16305.91 
## -16301.69  ->  -16292.63 
## -16305.93  ->  -16304.28 
## -16289.84  ->  -16289.77 
## -16302.38  ->  -16299.33 
## -16297.72  ->  -16297.72 
## -16307.93  ->  -16297.72 
## -16310.93  ->  -16304.5 
## -16313.2  ->  -16304.84 
## optimize edge weights:  -15989.47 --> -15944.26 
##  optimize topology:  -16306.98 --> -15944.26 
## -15936.18  ->  -15907.35 
## -15942.04  ->  -15941.77 
## -15941.92  ->  -15938.97 
## -15938.3  ->  -15937.14 
## -15940.88  ->  -15933.31 
## -15938.75  ->  -15934.67 
## -15935.14  ->  -15933.18 
## -15943.38  ->  -15943.21 
## optimize edge weights:  -15889.9 --> -15888.17 
##  optimize topology:  -15944.26 --> -15888.17 
## -15886.43  ->  -15885.68 
## -15886.18  ->  -15886.05 
## -15885.24  ->  -15884.73 
## -15881.01  ->  -15879.11 
## -15876.24  ->  -15854.65 
## -15886.9  ->  -15886.78 
## -15886.81  ->  -15884.54 
## optimize edge weights:  -15841.4 --> -15840.69 
##  optimize topology:  -15888.17 --> -15840.69 
## -15840.69  ->  -15840.31 
## -15840.69  ->  -15815.77 
## -15838.4  ->  -15836.28 
## optimize edge weights:  -15815.77 --> -15815.54 
##  optimize topology:  -15840.69 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  14 
## [1] "Ratchet iteration  33 , best pscore so far: -15815.543758178"
## -16187.88  ->  -16175.4 
## -16160.17  ->  -16155.01 
## -16180.08  ->  -16168.53 
## -16187.97  ->  -16172.35 
## -16110.63  ->  -16109.97 
## -16188.49  ->  -16156.38 
## -16149.31  ->  -16146.08 
## -16173.02  ->  -16164.78 
## -16178.09  ->  -16174.8 
## -16176.49  ->  -16173 
## -16154.08  ->  -16154.07 
## -16178.16  ->  -16172.26 
## -16172.98  ->  -16168.79 
## -16181.61  ->  -16171.7 
## -16171.96  ->  -16143.23 
## -16175.9  ->  -16148.22 
## -16183.35  ->  -16155.49 
## -16195.95  ->  -16159.21 
## -16188.84  ->  -16173.51 
## -16184.39  ->  -16170.69 
## -16174.99  ->  -16174.76 
## -16156.9  ->  -16135.55 
## -16170.83  ->  -16151.34 
## -16155.99  ->  -16146.68 
## -16180.74  ->  -16164.22 
## -16188.56  ->  -16173.73 
## -16170.97  ->  -16164.89 
## -16177.51  ->  -16175.29 
## -16176.51  ->  -16174.99 
## -16134.62  ->  -16125.25 
## -16154.28  ->  -16136.89 
## -16173.09  ->  -16173.07 
## -16175.65  ->  -16175.02 
## -16175.33  ->  -16158.61 
## -16166.12  ->  -16150.7 
## optimize edge weights:  -15986.82 --> -15955.86 
##  optimize topology:  -16175.92 --> -15955.86 
## -15945.5  ->  -15941.62 
## -15952  ->  -15939.92 
## -15954.98  ->  -15953.89 
## -15953.71  ->  -15949.72 
## -15955  ->  -15954.51 
## -15956.29  ->  -15954.7 
## -15955.91  ->  -15955.81 
## -15952.48  ->  -15942.22 
## -15949.62  ->  -15941.41 
## -15954.82  ->  -15954.28 
## -15953.33  ->  -15952.37 
## -15954.9  ->  -15953.88 
## optimize edge weights:  -15907.37 --> -15906.56 
##  optimize topology:  -15955.86 --> -15906.56 
## -15895.73  ->  -15891.99 
## -15903.15  ->  -15897.99 
## -15906.12  ->  -15906.03 
## -15898.7  ->  -15895.19 
## optimize edge weights:  -15880.53 --> -15879.12 
##  optimize topology:  -15906.56 --> -15879.12 
## -15877.33  ->  -15876.65 
## -15873.54  ->  -15865.29 
## -15879.12  ->  -15870.01 
## -15879.12  ->  -15878.68 
## optimize edge weights:  -15865.29 --> -15865.13 
##  optimize topology:  -15879.12 --> -15865.13 
## -15865.13  ->  -15856.46 
## -15865.13  ->  -15864.7 
## optimize edge weights:  -15856.46 --> -15856.26 
##  optimize topology:  -15865.13 --> -15856.26 
## -15854.7  ->  -15854.09 
## -15841.57  ->  -15815.94 
## optimize edge weights:  -15815.94 --> -15815.84 
##  optimize topology:  -15856.26 --> -15815.84 
## -15815.71  ->  -15815.61 
## optimize edge weights:  -15815.61 --> -15815.54 
##  optimize topology:  -15815.84 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  16 
## [1] "Ratchet iteration  34 , best pscore so far: -15815.543758178"
## -16303.28  ->  -16268.49 
## -16300.67  ->  -16265.25 
## -16303.19  ->  -16292.32 
## -16307.77  ->  -16297.25 
## -16302.68  ->  -16294.42 
## -16304.1  ->  -16294.71 
## -16305.22  ->  -16300.78 
## -16304.28  ->  -16299.79 
## -16280.29  ->  -16280.28 
## -16303.25  ->  -16297.35 
## -16291.41  ->  -16286.13 
## -16311.02  ->  -16301.11 
## -16291.6  ->  -16271.84 
## -16311.62  ->  -16278.9 
## -16304.19  ->  -16276.6 
## -16243.7  ->  -16227.53 
## -16288  ->  -16247.8 
## -16304.83  ->  -16261.38 
## -16286.4  ->  -16272.68 
## -16294.97  ->  -16274.84 
## -16312.04  ->  -16300.48 
## -16287.97  ->  -16277.21 
## -16300.64  ->  -16271.53 
## -16286.01  ->  -16269.88 
## -16302.91  ->  -16287.41 
## -16297.81  ->  -16278.7 
## -16325.13  ->  -16299.6 
## -16316.76  ->  -16296.09 
## -16305.49  ->  -16300.42 
## -16313.93  ->  -16297.09 
## -16317.32  ->  -16297.09 
## -16239.2  ->  -16238.35 
## -16307.98  ->  -16277.99 
## -16320.13  ->  -16295.88 
## -16324.31  ->  -16298.55 
## optimize edge weights:  -16102.04 --> -16055.95 
##  optimize topology:  -16303.71 --> -16055.95 
## -16055.95  ->  -16055.95 
## -16055.95  ->  -16055.86 
## -16054.19  ->  -16052.4 
## -16052.56  ->  -16050.55 
## -16052.53  ->  -16050.8 
## -16054.13  ->  -16053.92 
## -16055.95  ->  -16046.82 
## -16055.95  ->  -16055.56 
## -16055.95  ->  -16010.42 
## -16055.95  ->  -16048.22 
## -16055.95  ->  -16053.44 
## -16048.21  ->  -16043.16 
## -16054  ->  -16053.8 
## optimize edge weights:  -16002.04 --> -16000.52 
##  optimize topology:  -16055.95 --> -16000.52 
## -15996.71  ->  -15990.23 
## -16000.25  ->  -15999.74 
## -16001.22  ->  -16000.11 
## -15998.21  ->  -15996.76 
## -16000.52  ->  -15985.62 
## -16000.52  ->  -15995.4 
## -16000.52  ->  -15991.94 
## -16000.52  ->  -15999.18 
## -15995.04  ->  -15992.03 
## -15999.77  ->  -15999.73 
## -15992.9  ->  -15980.61 
## optimize edge weights:  -15955.55 --> -15955.24 
##  optimize topology:  -16000.52 --> -15955.24 
## -15954.03  ->  -15953.92 
## -15955.24  ->  -15955.06 
## -15955.49  ->  -15954.39 
## -15952.09  ->  -15949.86 
## -15955.24  ->  -15946.13 
## -15955.24  ->  -15955.24 
## -15949.05  ->  -15945.47 
## optimize edge weights:  -15934.98 --> -15934.74 
##  optimize topology:  -15955.24 --> -15934.74 
## -15934.74  ->  -15934.74 
## -15933.63  ->  -15932.25 
## -15929.88  ->  -15927.28 
## -15933.6  ->  -15931.08 
## -15932.57  ->  -15928.57 
## -15934.4  ->  -15934.19 
## optimize edge weights:  -15927.28 --> -15926.87 
##  optimize topology:  -15934.74 --> -15926.87 
## -15926.17  ->  -15923.44 
## -15926.5  ->  -15922.71 
## -15926.87  ->  -15925.46 
## -15926.87  ->  -15926.66 
## -15925.52  ->  -15923.39 
## -15924.25  ->  -15921.88 
## -15926.53  ->  -15926.35 
## optimize edge weights:  -15921.88 --> -15921.8 
##  optimize topology:  -15926.87 --> -15921.8 
## -15921.07  ->  -15918.29 
## -15921.43  ->  -15917.7 
## -15921.8  ->  -15920.94 
## -15921.8  ->  -15921.6 
## -15921.8  ->  -15913.59 
## optimize edge weights:  -15909.5 --> -15909.44 
##  optimize topology:  -15921.8 --> -15909.44 
## -15909.44  ->  -15908.59 
## -15909.44  ->  -15909.29 
## -15908.93  ->  -15908.67 
## optimize edge weights:  -15908.59 --> -15908.57 
##  optimize topology:  -15909.44 --> -15908.57 
## -15908.06  ->  -15907.79 
## -15896.03  ->  -15892.38 
## optimize edge weights:  -15892.38 --> -15892.05 
##  optimize topology:  -15908.57 --> -15892.05 
## -15892.32  ->  -15890.3 
## -15886.7  ->  -15878.84 
## -15892.16  ->  -15892.03 
## -15891.52  ->  -15891.24 
## optimize edge weights:  -15878.04 --> -15876.78 
##  optimize topology:  -15892.05 --> -15876.78 
## -15865.29  ->  -15859.27 
## -15868.09  ->  -15863.85 
## optimize edge weights:  -15859.27 --> -15859.05 
##  optimize topology:  -15876.78 --> -15859.05 
## -15847.71  ->  -15828.23 
## -15857.96  ->  -15856.82 
## optimize edge weights:  -15828.23 --> -15827.69 
##  optimize topology:  -15859.05 --> -15827.69 
## -15825.15  ->  -15823.79 
## optimize edge weights:  -15823.79 --> -15823.74 
##  optimize topology:  -15827.69 --> -15823.74 
## -15823.62  ->  -15823.5 
## -15822.22  ->  -15815.87 
## optimize edge weights:  -15815.87 --> -15815.84 
##  optimize topology:  -15823.74 --> -15815.84 
## -15815.71  ->  -15815.61 
## optimize edge weights:  -15815.61 --> -15815.54 
##  optimize topology:  -15815.84 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  26 
## [1] "Ratchet iteration  35 , best pscore so far: -15815.543758178"
## -16364.68  ->  -16364.52 
## -16372.5  ->  -16361.64 
## -16389.12  ->  -16364.06 
## -16332.19  ->  -16317.56 
## -16366.39  ->  -16337.55 
## -16354.01  ->  -16331.92 
## -16362.38  ->  -16335 
## -16365.19  ->  -16345.6 
## -16316.05  ->  -16314.56 
## -16364.83  ->  -16364.44 
## -16364.17  ->  -16363.84 
## -16356.91  ->  -16353.08 
## -16368.64  ->  -16361.49 
## -16370.11  ->  -16363.25 
## -16368.48  ->  -16361.89 
## -16374.77  ->  -16362.43 
## -16379.66  ->  -16362.45 
## -16337.62  ->  -16321.23 
## -16379.24  ->  -16347.41 
## -16377.98  ->  -16359.95 
## -16386.46  ->  -16364.74 
## -16366.54  ->  -16335.98 
## -16343.08  ->  -16324.55 
## -16304.03  ->  -16279.99 
## -16364.19  ->  -16324.37 
## -16361.5  ->  -16361.37 
## -16340.8  ->  -16340.49 
## -16366.39  ->  -16357.38 
## -16389.36  ->  -16350.32 
## -16399.1  ->  -16354.68 
## -16368.25  ->  -16301.58 
## -16362.65  ->  -16296.13 
## -16188.72  ->  -16188.43 
## -16374.75  ->  -16271.58 
## optimize edge weights:  -16032.29 --> -15998.06 
##  optimize topology:  -16365.25 --> -15998.06 
## -15991.18  ->  -15988.33 
## -15998.06  ->  -15998 
## -15998.06  ->  -15994.8 
## -15994.16  ->  -15991.29 
## -15993.67  ->  -15991.51 
## -15997.19  ->  -15997.11 
## -15995.14  ->  -15962.42 
## -15989.62  ->  -15985.1 
## optimize edge weights:  -15932.79 --> -15928.08 
##  optimize topology:  -15998.06 --> -15928.08 
## -15927.83  ->  -15927.58 
## -15928.08  ->  -15928.02 
## -15928.08  ->  -15924.57 
## -15912.41  ->  -15883.53 
## -15917.12  ->  -15908.19 
## -15926.98  ->  -15926.89 
## optimize edge weights:  -15879.47 --> -15878.45 
##  optimize topology:  -15928.08 --> -15878.45 
## -15878.45  ->  -15878.41 
## -15878.45  ->  -15841.15 
## -15874.8  ->  -15862.75 
## -15877.57  ->  -15876.4 
## optimize edge weights:  -15825.45 --> -15825.09 
##  optimize topology:  -15878.45 --> -15825.09 
## -15825.09  ->  -15815.55 
## -15825.09  ->  -15825.09 
## -15825.09  ->  -15825.09 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15825.09 --> -15815.55 
## -15815.55  ->  -15815.55 
## -15815.55  ->  -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## optimize edge weights:  -15815.55 --> -15815.55 
##  optimize topology:  -15815.55 --> -15815.55 
## NNI moves:  17 
## [1] "Ratchet iteration  36 , best pscore so far: -15815.543758178"
## -16107.48  ->  -16105.95 
## -16113.01  ->  -16103.42 
## -16097.64  ->  -16095.38 
## -16114.97  ->  -16100.07 
## -16114.23  ->  -16100.07 
## -16076.12  ->  -16076.09 
## -16096.84  ->  -16090.64 
## -16084.92  ->  -16084.17 
## -16117.01  ->  -16103.12 
## -16122.9  ->  -16094.6 
## -16115.99  ->  -16093.34 
## -16120.13  ->  -16105.65 
## -16120.19  ->  -16105.95 
## -16045.08  ->  -16044.74 
## -16107.41  ->  -16088.59 
## -16114.69  ->  -16100.94 
## -16107.12  ->  -16094.86 
## -16114.69  ->  -16107.61 
## -16112.92  ->  -16101.41 
## -16118.79  ->  -16103.09 
## -16108.46  ->  -16106.17 
## -16111.29  ->  -16086.79 
## -16106.59  ->  -16084.21 
## -16101.17  ->  -16077.6 
## -16040.17  ->  -16035.52 
## -16133.32  ->  -16104.91 
## -16127.71  ->  -16105.49 
## -16050.78  ->  -16050.61 
## -16114.5  ->  -16086.62 
## -16120.95  ->  -16103.48 
## -16114.93  ->  -16102.12 
## -16106.69  ->  -16106.69 
## -16107.44  ->  -16106.73 
## optimize edge weights:  -15880.81 --> -15866.94 
##  optimize topology:  -16108.59 --> -15866.94 
## -15863.11  ->  -15859.6 
## -15858.27  ->  -15849.46 
## -15865.59  ->  -15865.38 
## -15861.06  ->  -15851.42 
## -15866.31  ->  -15866.08 
## optimize edge weights:  -15840.3 --> -15839.71 
##  optimize topology:  -15866.94 --> -15839.71 
## -15839.24  ->  -15838.99 
## -15833.24  ->  -15832.79 
## -15839.56  ->  -15838.77 
## -15840.54  ->  -15839.34 
## -15835.12  ->  -15823.15 
## -15838.95  ->  -15838.19 
## optimize edge weights:  -15822.42 --> -15822.27 
##  optimize topology:  -15839.71 --> -15822.27 
## -15816.2  ->  -15815.67 
## -15821.24  ->  -15820.59 
## optimize edge weights:  -15815.67 --> -15815.54 
##  optimize topology:  -15822.27 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  11 
## [1] "Ratchet iteration  37 , best pscore so far: -15815.543758178"
## -16605.62  ->  -16518.4 
## -16598.82  ->  -16518.16 
## -16540.23  ->  -16515.43 
## -16541.76  ->  -16517.64 
## -16400.23  ->  -16387.06 
## -16543.74  ->  -16453.55 
## -16529.17  ->  -16502.73 
## -16542.69  ->  -16510.52 
## -16541.05  ->  -16532.49 
## -16545.58  ->  -16534.77 
## -16502  ->  -16501.32 
## -16532.2  ->  -16520.22 
## -16539.06  ->  -16504.31 
## -16491.19  ->  -16475.71 
## -16533.05  ->  -16519.85 
## -16513.34  ->  -16497.96 
## -16537.27  ->  -16533.79 
## -16539.15  ->  -16535.24 
## -16493.7  ->  -16493.55 
## -16531.05  ->  -16521.94 
## -16553.77  ->  -16529.75 
## -16550.23  ->  -16529.57 
## -16500.69  ->  -16486.31 
## -16536.44  ->  -16511.13 
## -16537.02  ->  -16514.31 
## -16510.62  ->  -16505.08 
## -16537.36  ->  -16536.12 
## -16528.27  ->  -16527.77 
## -16514.3  ->  -16511.54 
## -16539.57  ->  -16533.82 
## -16537.92  ->  -16533.82 
## -16537.55  ->  -16536.5 
## -16553.4  ->  -16514.63 
## -16562.84  ->  -16517 
## -16594.79  ->  -16510.53 
## -16607.77  ->  -16510.53 
## -16300.31  ->  -16300.31 
## -16518.86  ->  -16429.75 
## optimize edge weights:  -16040.66 --> -15996.15 
##  optimize topology:  -16536.55 --> -15996.15 
## -15995.22  ->  -15994.46 
## -15993.7  ->  -15991.46 
## -15996.15  ->  -15995.33 
## -15996.15  ->  -15947.76 
## -15989.56  ->  -15981.43 
## -15996.15  ->  -15968.19 
## -15996.15  ->  -15995.85 
## -15996.09  ->  -15996.04 
## -15996.15  ->  -15955.35 
## -15994.67  ->  -15993.96 
## optimize edge weights:  -15878.22 --> -15876 
##  optimize topology:  -15996.15 --> -15876 
## -15874.9  ->  -15873.96 
## -15870.99  ->  -15861.87 
## -15876  ->  -15869.88 
## -15866.89  ->  -15852.77 
## -15874.15  ->  -15873.53 
## optimize edge weights:  -15852.77 --> -15851.01 
##  optimize topology:  -15876 --> -15851.01 
## -15849.45  ->  -15848.43 
## -15844.85  ->  -15835.78 
## -15850.59  ->  -15837.11 
## -15850.83  ->  -15848.79 
## -15850.38  ->  -15850.22 
## -15848.61  ->  -15846.12 
## optimize edge weights:  -15835.36 --> -15834.59 
##  optimize topology:  -15851.01 --> -15834.59 
## -15830.11  ->  -15820.6 
## -15833.11  ->  -15832.25 
## -15832.01  ->  -15829.59 
## optimize edge weights:  -15820.6 --> -15820.48 
##  optimize topology:  -15834.59 --> -15820.48 
## -15818.09  ->  -15816.08 
## optimize edge weights:  -15816.08 --> -15815.84 
##  optimize topology:  -15820.48 --> -15815.84 
## -15815.71  ->  -15815.61 
## optimize edge weights:  -15815.61 --> -15815.54 
##  optimize topology:  -15815.84 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  15 
## [1] "Ratchet iteration  38 , best pscore so far: -15815.543758178"
## -16584.35  ->  -16575.07 
## -16588.15  ->  -16577.93 
## -16590.39  ->  -16587.03 
## -16586.66  ->  -16583.47 
## -16563.2  ->  -16542.37 
## -16597.94  ->  -16556.46 
## -16587.76  ->  -16573.12 
## -16595.53  ->  -16576.86 
## -16597.1  ->  -16575.24 
## -16597.89  ->  -16575.24 
## -16529.82  ->  -16529.82 
## -16587.93  ->  -16568.89 
## -16496.06  ->  -16479.09 
## -16585.08  ->  -16546.77 
## -16601.64  ->  -16579.41 
## -16600.59  ->  -16579.41 
## -16605.42  ->  -16578.33 
## -16593.88  ->  -16572.66 
## -16609.19  ->  -16570.89 
## -16617.7  ->  -16573.1 
## -16646.08  ->  -16579.68 
## -16654.88  ->  -16579.68 
## -16371.71  ->  -16371.71 
## -16604.43  ->  -16499.82 
## -16575.03  ->  -16570.06 
## -16584.22  ->  -16578.43 
## -16586.05  ->  -16585.76 
## -16588.34  ->  -16587.58 
## -16597.46  ->  -16577.14 
## -16584.87  ->  -16569.61 
## -16588.85  ->  -16565.37 
## -16596.31  ->  -16569.31 
## -16561.66  ->  -16556.71 
## -16590.32  ->  -16578.46 
## -16582.68  ->  -16554.91 
## -16556.02  ->  -16543.99 
## -16550.36  ->  -16531.62 
## -16593.96  ->  -16561.58 
## -16608.04  ->  -16575.74 
## -16594.02  ->  -16569.11 
## -16591.16  ->  -16522.2 
## -16585.79  ->  -16517.08 
## -16415.13  ->  -16415.11 
## -16598.68  ->  -16492.79 
## optimize edge weights:  -15953.6 --> -15936.25 
##  optimize topology:  -16587.93 --> -15936.25 
## -15934.15  ->  -15933.23 
## -15924.66  ->  -15903.46 
## -15934.97  ->  -15934.8 
## -15936.22  ->  -15935.63 
## -15924.63  ->  -15917.79 
## -15936.25  ->  -15890.68 
## -15936.25  ->  -15934.83 
## optimize edge weights:  -15857.26 --> -15855.58 
##  optimize topology:  -15936.25 --> -15855.58 
## -15854.51  ->  -15854.22 
## -15847.3  ->  -15842.71 
## -15855.57  ->  -15855.36 
## -15854.01  ->  -15852.9 
## -15855.63  ->  -15855.33 
## -15854.73  ->  -15853.43 
## -15855.06  ->  -15854.02 
## -15854.62  ->  -15853.9 
## -15846.75  ->  -15841.82 
## optimize edge weights:  -15826.98 --> -15826.74 
##  optimize topology:  -15855.58 --> -15826.74 
## -15826.4  ->  -15825.81 
## -15824.58  ->  -15823.51 
## optimize edge weights:  -15823.51 --> -15823.45 
##  optimize topology:  -15826.74 --> -15823.45 
## -15821.95  ->  -15815.57 
## optimize edge weights:  -15815.57 --> -15815.54 
##  optimize topology:  -15823.45 --> -15815.54 
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  14 
## [1] "Ratchet iteration  39 , best pscore so far: -15815.543758178"
## optimize edge weights:  -15815.54 --> -15815.54 
##  optimize topology:  -15815.54 --> -15815.54 
## NNI moves:  0

Is this analysis faster or slower than the NJ analysis you did earlier?

Get the log likelihood by typing:

logLik(fitJC)
## 'log Lik.' -15815.54 (df=77)

Question 3: What is this log likelihood and is it higher or lower than the log likelihood of the NJ analysis?


Look at the tree topology by typing:

plot(fitJC)

How does this tree compare to the neighbor joining tree you got earlier?

Save the tree as a pdf if you want. Write the tree to a file by typing:

write.tree(fitJC$tree,file="fitJC")

Now change the model of evolution to the General Time Reversible model (GTR). Type:

fitGTR<-optim.pml(fit,model="GTR",rearrangement="stochastic")
## optimize edge weights:  -15999.05 --> -15909.49 
## optimize base frequencies:  -15909.49 --> -15899.83 
## optimize rate matrix:  -15899.83 --> -15473.94 
## optimize edge weights:  -15473.94 --> -15471 
##  optimize topology:  -15471 --> -15439.66 
##  optimize topology:  -15439.66 --> -15432.77 
##  optimize topology:  -15432.77 --> -15419.57 
##  optimize topology:  -15419.57 --> -15405.04 
##  optimize topology:  -15405.04 --> -15396.54 
## NNI moves:  13 
## optimize base frequencies:  -15396.54 --> -15386.1 
## optimize rate matrix:  -15386.1 --> -15381.44 
## optimize edge weights:  -15381.44 --> -15381.41 
##  optimize topology:  -15381.41 --> -15379.91 
##  optimize topology:  -15379.91 --> -15379.58 
##  optimize topology:  -15379.58 --> -15378.68 
##  optimize topology:  -15378.68 --> -15367.25 
##  optimize topology:  -15367.25 --> -15361.79 
## NNI moves:  5 
## optimize base frequencies:  -15361.79 --> -15360.06 
## optimize rate matrix:  -15360.06 --> -15359.47 
## optimize edge weights:  -15359.47 --> -15359.43 
##  optimize topology:  -15359.43 --> -15355.59 
##  optimize topology:  -15355.59 --> -15354.16 
##  optimize topology:  -15354.16 --> -15354.16 
## NNI moves:  2 
## optimize base frequencies:  -15354.16 --> -15353.97 
## optimize rate matrix:  -15353.97 --> -15353.87 
## optimize edge weights:  -15353.87 --> -15353.86 
##  optimize topology:  -15353.86 --> -15353.86 
## NNI moves:  0 
## -15895  ->  -15885.96 
## -15889.58  ->  -15877.71 
## -15886.52  ->  -15876.63 
## -15888.25  ->  -15885.57 
## -15891.01  ->  -15885.57 
## -15855.09  ->  -15854.83 
## -15886.71  ->  -15873.31 
## -15911.29  ->  -15842.68 
## -15910.67  ->  -15841.73 
## -15898.53  ->  -15873.43 
## -15898.69  ->  -15874.61 
## -15712.78  ->  -15712.65 
## -15902.99  ->  -15801.22 
## -15898.22  ->  -15867.21 
## -15900.23  ->  -15867.12 
## -15865.09  ->  -15832.38 
## -15887.01  ->  -15845.94 
## -15882.05  ->  -15856.21 
## -15888.76  ->  -15857.46 
## -15897.9  ->  -15880.72 
## -15898.85  ->  -15881.68 
## -15886.37  ->  -15874.84 
## -15883.36  ->  -15873.73 
## -15882.76  ->  -15846.68 
## -15886.37  ->  -15848.21 
## -15877.94  ->  -15872.11 
## -15884.5  ->  -15873.82 
## -15810.43  ->  -15805.46 
## -15887.51  ->  -15852.14 
## -15893.48  ->  -15880.21 
## -15893.24  ->  -15880.21 
## -15886.11  ->  -15886.06 
## -15886.18  ->  -15886.04 
## -15860.14  ->  -15857.08 
## -15883.97  ->  -15868.76 
## -15861.19  ->  -15838.86 
## -15883.9  ->  -15869.06 
## -15901.06  ->  -15886.34 
## -15861.1  ->  -15856.68 
## -15888.09  ->  -15872.79 
## -15884.9  ->  -15881.31 
## -15882.94  ->  -15881.26 
## optimize edge weights:  -15571.68 --> -15524.09 
##  optimize topology:  -15886.42 --> -15524.09 
## -15521.39  ->  -15520.84 
## -15523.34  ->  -15523.05 
## -15515.99  ->  -15489.47 
## -15517.07  ->  -15508.03 
## -15522.68  ->  -15522.18 
## -15524.18  ->  -15523.79 
## -15519.58  ->  -15517.14 
## -15518.83  ->  -15510.28 
## -15516.21  ->  -15508.19 
## -15524.09  ->  -15524.09 
## -15524.09  ->  -15522.25 
## -15524.09  ->  -15524.09 
## -15524.09  ->  -15524.09 
## -15524.09  ->  -15524.09 
## optimize edge weights:  -15471.64 --> -15470.82 
##  optimize topology:  -15524.09 --> -15470.82 
## -15468.79  ->  -15468.21 
## -15464.7  ->  -15453.88 
## -15469.43  ->  -15468.86 
## -15470.79  ->  -15470.22 
## -15466.13  ->  -15465.2 
## -15465.71  ->  -15457.85 
## -15469.83  ->  -15469.74 
## -15470.89  ->  -15470.69 
## -15470.82  ->  -15455.57 
## -15470.82  ->  -15470.73 
## -15470.82  ->  -15470.82 
## optimize edge weights:  -15425.01 --> -15424.4 
##  optimize topology:  -15470.82 --> -15424.4 
## -15422.33  ->  -15420.87 
## -15421.95  ->  -15421.11 
## -15423.77  ->  -15423.37 
## -15422.04  ->  -15420.55 
## -15426.57  ->  -15423.83 
## -15419.17  ->  -15382.55 
## -15422.71  ->  -15421.1 
## optimize edge weights:  -15378.9 --> -15378.59 
##  optimize topology:  -15424.4 --> -15378.59 
## -15370.53  ->  -15356.72 
## -15378.58  ->  -15378.54 
## -15380.82  ->  -15378.16 
## -15376.59  ->  -15376.02 
## -15378.33  ->  -15378.02 
## optimize edge weights:  -15356.72 --> -15356.54 
##  optimize topology:  -15378.59 --> -15356.54 
## -15354.55  ->  -15353.99 
## -15356.79  ->  -15356.38 
## optimize edge weights:  -15353.99 --> -15353.87 
##  optimize topology:  -15356.54 --> -15353.87 
## optimize edge weights:  -15353.87 --> -15353.87 
##  optimize topology:  -15353.87 --> -15353.87 
## NNI moves:  16 
## [1] "Ratchet iteration  1 , best pscore so far: -15353.864132096"
## -15859.31  ->  -15844.92 
## -15856.67  ->  -15844.89 
## -15851.85  ->  -15850.59 
## -15853.17  ->  -15851.27 
## -15820.58  ->  -15771.9 
## -15853.27  ->  -15784.8 
## -15816.57  ->  -15770.44 
## -15853.61  ->  -15787.24 
## -15897.37  ->  -15840.51 
## -15895.91  ->  -15839.84 
## -15898.34  ->  -15798.87 
## -15869.2  ->  -15789.19 
## -15872.84  ->  -15844.87 
## -15873.88  ->  -15846.35 
## -15859.3  ->  -15847.34 
## -15866.77  ->  -15851.05 
## -15869.52  ->  -15849.37 
## -15868.83  ->  -15849.52 
## -15787.14  ->  -15786.92 
## -15868.66  ->  -15830.72 
## -15867.22  ->  -15840.5 
## -15874.8  ->  -15843.18 
## -15844.52  ->  -15844.29 
## -15848.08  ->  -15846.27 
## -15831.47  ->  -15831.46 
## -15860.55  ->  -15847.76 
## -15855.14  ->  -15849.5 
## -15856.08  ->  -15850.09 
## -15854.78  ->  -15854.78 
## -15855.12  ->  -15854.78 
## -15864.93  ->  -15833.9 
## -15865.84  ->  -15833.9 
## -15830.5  ->  -15819.1 
## -15847.82  ->  -15832.6 
## -15785.94  ->  -15785.61 
## -15856.62  ->  -15827.58 
## -15859.51  ->  -15846.58 
## -15863.33  ->  -15848.39 
## -15829.01  ->  -15828.92 
## -15841.34  ->  -15839.77 
## optimize edge weights:  -15658.8 --> -15589.08 
##  optimize topology:  -15855.09 --> -15589.08 
## -15589.08  ->  -15588.28 
## -15589.08  ->  -15589.08 
## -15581.02  ->  -15568.99 
## -15584.51  ->  -15583.39 
## -15579.95  ->  -15577.35 
## -15585.86  ->  -15583.45 
## -15586.02  ->  -15584.51 
## -15578.58  ->  -15565.26 
## -15581.66  ->  -15577.36 
## -15581.7  ->  -15576.96 
## -15589.16  ->  -15588.94 
## -15589.08  ->  -15572.92 
## -15589.08  ->  -15582.49 
## -15578.98  ->  -15572.78 
## optimize edge weights:  -15520 --> -15518.2 
##  optimize topology:  -15589.08 --> -15518.2 
## -15518.2  ->  -15496.77 
## -15504.71  ->  -15478.99 
## -15514.8  ->  -15511.95 
## -15514.96  ->  -15513.26 
## -15518.2  ->  -15425.29 
## -15518.2  ->  -15518.2 
## -15511.6  ->  -15508.08 
## -15518.38  ->  -15518.12 
## optimize edge weights:  -15385.84 --> -15384.94 
##  optimize topology:  -15518.2 --> -15384.94 
## -15378.09  ->  -15363.21 
## -15381.67  ->  -15379.28 
## -15381.48  ->  -15379.8 
## -15386.61  ->  -15384.23 
## -15382.47  ->  -15381.63 
## -15385.15  ->  -15384.88 
## optimize edge weights:  -15354.09 --> -15353.86 
##  optimize topology:  -15384.94 --> -15353.86 
## optimize edge weights:  -15353.86 --> -15353.86 
##  optimize topology:  -15353.86 --> -15353.86 
## NNI moves:  16 
## [1] "Ratchet iteration  2 , best pscore so far: -15353.863179606"
## -15714.58  ->  -15709.15 
## -15713.33  ->  -15709.13 
## -15683.68  ->  -15682.1 
## -15720.82  ->  -15702.59 
## -15682.45  ->  -15679.78 
## -15687.42  ->  -15683.6 
## -15707.18  ->  -15707.16 
## -15729.09  ->  -15699.15 
## -15728.45  ->  -15699.04 
## -15698.83  ->  -15665.95 
## -15708.88  ->  -15672.28 
## -15736.85  ->  -15706.58 
## -15733.9  ->  -15706.19 
## -15706.02  ->  -15705.86 
## -15719.41  ->  -15688.08 
## -15716.55  ->  -15686.75 
## -15725.39  ->  -15707.65 
## -15735.57  ->  -15707.73 
## -15709.3  ->  -15708.76 
## -15712.9  ->  -15706.8 
## -15707.69  ->  -15703.83 
## -15711.32  ->  -15700.53 
## -15711.07  ->  -15700.53 
## -15669.69  ->  -15664.45 
## -15710.52  ->  -15697.57 
## -15689.45  ->  -15686.09 
## -15698.46  ->  -15692.63 
## -15715.82  ->  -15708.55 
## -15710.62  ->  -15705.45 
## -15732.79  ->  -15705.1 
## -15737.67  ->  -15705.13 
## -15686.06  ->  -15685.29 
## -15712.17  ->  -15705.55 
## -15665.97  ->  -15657.57 
## -15714.5  ->  -15697.15 
## -15702.29  ->  -15702.13 
## -15708.25  ->  -15706.43 
## optimize edge weights:  -15556.68 --> -15503.01 
##  optimize topology:  -15710.49 --> -15503.01 
## -15491.47  ->  -15482.07 
## -15503.01  ->  -15492.95 
## -15503.01  ->  -15492.79 
## -15501.12  ->  -15497.3 
## -15499.72  ->  -15499.17 
## -15503.01  ->  -15502.58 
## -15503.01  ->  -15494.65 
## -15503.01  ->  -15491.36 
## -15503.01  ->  -15501.55 
## -15500.13  ->  -15499.27 
## -15496.52  ->  -15484.64 
## -15494.52  ->  -15488.32 
## -15503.01  ->  -15498.86 
## -15503.01  ->  -15501.73 
## optimize edge weights:  -15447.87 --> -15447.43 
##  optimize topology:  -15503.01 --> -15447.43 
## -15444.87  ->  -15439.72 
## -15441.98  ->  -15440.14 
## -15447.43  ->  -15447.43 
## -15447.43  ->  -15438.71 
## -15447.43  ->  -15436.04 
## -15447.43  ->  -15440.82 
## -15439.01  ->  -15432.49 
## -15447.43  ->  -15444.97 
## -15447.43  ->  -15445.51 
## optimize edge weights:  -15403.28 --> -15402.53 
##  optimize topology:  -15447.43 --> -15402.53 
## -15389.21  ->  -15364.18 
## -15397.51  ->  -15392.43 
## -15402.53  ->  -15402.47 
## optimize edge weights:  -15364.18 --> -15364.04 
##  optimize topology:  -15402.53 --> -15364.04 
## -15359.05  ->  -15354 
## -15363.86  ->  -15363.8 
## optimize edge weights:  -15354 --> -15353.86 
##  optimize topology:  -15364.04 --> -15353.86 
## optimize edge weights:  -15353.86 --> -15353.86 
##  optimize topology:  -15353.86 --> -15353.86 
## NNI moves:  16 
## [1] "Ratchet iteration  3 , best pscore so far: -15353.8621617233"
## -15797.21  ->  -15792.7 
## -15808.36  ->  -15797.04 
## -15812.46  ->  -15786.97 
## -15812.01  ->  -15787.1 
## -15827.85  ->  -15799.19 
## -15816.52  ->  -15797.48 
## -15815.67  ->  -15795.11 
## -15813.27  ->  -15795.11 
## -15762.91  ->  -15749.95 
## -15799.5  ->  -15776.28 
## -15799.95  ->  -15775.59 
## -15770.02  ->  -15764.28 
## -15805.24  ->  -15791.91 
## -15809.99  ->  -15795.23 
## -15740.79  ->  -15734.12 
## -15796.36  ->  -15777.89 
## -15811.26  ->  -15795.33 
## -15806.33  ->  -15793.54 
## -15798.02  ->  -15797.01 
## -15806.87  ->  -15766.29 
## -15810.61  ->  -15765.7 
## -15738.22  ->  -15724.14 
## -15796.52  ->  -15768.84 
## -15804.56  ->  -15783.63 
## -15806.16  ->  -15782.2 
## -15784.72  ->  -15780.22 
## -15802.94  ->  -15782.06 
## -15812.26  ->  -15786.12 
## -15818.86  ->  -15786.18 
## -15774.37  ->  -15772.68 
## -15785.32  ->  -15780.44 
## -15812.98  ->  -15795.55 
## -15820.74  ->  -15796.68 
## -15735.53  ->  -15733.5 
## -15813.55  ->  -15774.86 
## -15821.52  ->  -15793.85 
## -15809.97  ->  -15787.67 
## -15796.88  ->  -15796.35 
## -15799.53  ->  -15798.38 
## -15800.54  ->  -15799.18 
## -15773.56  ->  -15773.4 
## -15783.15  ->  -15782.69 
## optimize edge weights:  -15616.96 --> -15540.24 
##  optimize topology:  -15799.75 --> -15540.24 
## -15539.28  ->  -15539.2 
## -15540.49  ->  -15539.36 
## -15539.82  ->  -15539.81 
## -15540.24  ->  -15506.78 
## -15540.24  ->  -15540.24 
## -15545.03  ->  -15537.03 
## -15540.24  ->  -15503.39 
## -15540.24  ->  -15540.18 
## -15538.92  ->  -15538.5 
## -15527.96  ->  -15499.68 
## -15535.75  ->  -15524.07 
## -15540.24  ->  -15540.24 
## -15540.24  ->  -15540.1 
## optimize edge weights:  -15463.16 --> -15462.54 
##  optimize topology:  -15540.24 --> -15462.54 
## -15463.26  ->  -15462.26 
## -15462.54  ->  -15429.76 
## -15462.54  ->  -15462.45 
## -15454.6  ->  -15434.2 
## optimize edge weights:  -15429.63 --> -15428.93 
##  optimize topology:  -15462.54 --> -15428.93 
## -15426.24  ->  -15424.51 
## -15428.77  ->  -15428.46 
## -15429.19  ->  -15428.91 
## -15428.96  ->  -15428.91 
## -15423.23  ->  -15420.64 
## -15424.39  ->  -15421.43 
## -15421.13  ->  -15400.33 
## -15427.3  ->  -15427.12 
## optimize edge weights:  -15393.84 --> -15393.21 
##  optimize topology:  -15428.93 --> -15393.21 
## -15392.49  ->  -15387.6 
## -15393.12  ->  -15392.69 
## -15390.04  ->  -15389.26 
## -15390.52  ->  -15389.28 
## -15387.46  ->  -15371.31 
## -15387.57  ->  -15386.67 
## optimize edge weights:  -15359.2 --> -15358.91 
##  optimize topology:  -15393.21 --> -15358.91 
## -15359.12  ->  -15358.86 
## -15354.61  ->  -15353.75 
## -15355.97  ->  -15354.24 
## -15358.54  ->  -15358.47 
## -15358.34  ->  -15357.59 
## optimize edge weights:  -15353.75 --> -15353.22 
##  optimize topology:  -15358.91 --> -15353.22 
## -15353.43  ->  -15353.21 
## -15350.88  ->  -15348.21 
## -15353.22  ->  -15353.04 
## -15352.65  ->  -15351.83 
## -15352.57  ->  -15352.34 
## optimize edge weights:  -15347.95 --> -15347.76 
##  optimize topology:  -15353.22 --> -15347.76 
## -15347.76  ->  -15347.1 
## -15347.76  ->  -15347.68 
## -15347.2  ->  -15346.4 
## -15347.31  ->  -15346.85 
## optimize edge weights:  -15345.49 --> -15345.48 
##  optimize topology:  -15347.76 --> -15345.48 
## -15345.48  ->  -15344.81 
## -15345.48  ->  -15345.31 
## optimize edge weights:  -15344.81 --> -15344.79 
##  optimize topology:  -15345.48 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  24 
## [1] "Ratchet iteration  4 , best pscore so far: -15344.7896495107"
## -15747.38  ->  -15733.92 
## -15752.4  ->  -15735.6 
## -15736.47  ->  -15735.92 
## -15734.17  ->  -15734.02 
## -15735.42  ->  -15735.35 
## -15738.15  ->  -15738.01 
## -15737.13  ->  -15733.73 
## -15742.15  ->  -15737.34 
## -15736.86  ->  -15726.04 
## -15728.37  ->  -15722.64 
## -15751.1  ->  -15738.1 
## -15692.6  ->  -15692.32 
## -15738.42  ->  -15718.82 
## -15741.3  ->  -15720.07 
## -15748.19  ->  -15723.41 
## -15736.27  ->  -15723.43 
## -15742.53  ->  -15724.28 
## -15695.71  ->  -15692.45 
## -15734.67  ->  -15716.25 
## -15744.11  ->  -15724.04 
## -15744.82  ->  -15724.74 
## -15749.22  ->  -15728.32 
## -15745.57  ->  -15725.99 
## -15748.8  ->  -15734.08 
## -15742.11  ->  -15731.91 
## -15721.27  ->  -15720.57 
## -15734.65  ->  -15728.89 
## -15728.48  ->  -15721.5 
## -15744.4  ->  -15734.35 
## -15749.9  ->  -15725.57 
## -15772.19  ->  -15733.53 
## -15691.62  ->  -15691.42 
## -15740.74  ->  -15714.6 
## -15760.34  ->  -15687.71 
## -15764.67  ->  -15687.63 
## -15751.11  ->  -15723.97 
## -15751.36  ->  -15725.19 
## -15558.15  ->  -15558.14 
## -15746.71  ->  -15647.74 
## optimize edge weights:  -15432.53 --> -15394.38 
##  optimize topology:  -15738.41 --> -15394.38 
## -15393.32  ->  -15393.12 
## -15393.6  ->  -15391.72 
## -15394.38  ->  -15392.96 
## -15394.38  ->  -15394.04 
## -15392.08  ->  -15371.46 
## -15394.06  ->  -15393.98 
## -15391.67  ->  -15390.59 
## -15390.55  ->  -15388.83 
## optimize edge weights:  -15367.33 --> -15366.92 
##  optimize topology:  -15394.38 --> -15366.92 
## -15365.55  ->  -15364.68 
## -15366.71  ->  -15366.65 
## -15363.99  ->  -15362.86 
## -15362.57  ->  -15361.24 
## optimize edge weights:  -15359.65 --> -15359.41 
##  optimize topology:  -15366.92 --> -15359.41 
## -15358.93  ->  -15358.73 
## -15356.84  ->  -15355.41 
## optimize edge weights:  -15355.41 --> -15355.4 
##  optimize topology:  -15359.41 --> -15355.4 
## -15356.25  ->  -15355.11 
## optimize edge weights:  -15355.11 --> -15355.06 
##  optimize topology:  -15355.4 --> -15355.06 
## optimize edge weights:  -15355.06 --> -15355.06 
##  optimize topology:  -15355.06 --> -15355.06 
## NNI moves:  13 
## [1] "Ratchet iteration  5 , best pscore so far: -15344.7896495107"
## -16123.65  ->  -16103.94 
## -16147.48  ->  -16130.29 
## -16114.1  ->  -16112.72 
## -16143.67  ->  -16124.37 
## -16167.94  ->  -16126.42 
## -16174.91  ->  -16126.04 
## -16076.53  ->  -16059.94 
## -16141.7  ->  -16112.81 
## -16137.41  ->  -16112.43 
## -16145.28  ->  -16115.63 
## -16148.09  ->  -16142.43 
## -16142.14  ->  -16116.27 
## -16144.41  ->  -16116.74 
## -16134.19  ->  -16090.12 
## -16220.2  ->  -16094.75 
## -16082.13  ->  -15982.8 
## -16153.32  ->  -16072.65 
## -16137.11  ->  -16136.28 
## -16147.67  ->  -16141.82 
## -16130.26  ->  -16130.17 
## -16143.16  ->  -16139.34 
## -16152.39  ->  -16130.04 
## -16151.65  ->  -16130.04 
## -16094.05  ->  -16093.98 
## -16143.08  ->  -16123.71 
## -16142.44  ->  -16138.84 
## -16146.82  ->  -16140.3 
## -16146.53  ->  -16142.55 
## -16147.87  ->  -16132.12 
## -16111.97  ->  -16073.01 
## -16168.62  ->  -16137.33 
## -16154.91  ->  -16132.3 
## -16003.46  ->  -16003.42 
## -16159.58  ->  -16070.68 
## -16152.12  ->  -16096.21 
## -16151.77  ->  -16095.57 
## -16157.26  ->  -16136.92 
## -16155.45  ->  -16136.68 
## optimize edge weights:  -15587.27 --> -15567.4 
##  optimize topology:  -16143.08 --> -15567.4 
## -15554.13  ->  -15534.96 
## -15563.06  ->  -15551.35 
## -15566.96  ->  -15566.74 
## -15567.4  ->  -15552.43 
## -15567.4  ->  -15561.15 
## -15567.4  ->  -15564.34 
## -15567.4  ->  -15555.54 
## -15554.87  ->  -15424.72 
## -15565.3  ->  -15564.3 
## -15567.4  ->  -15565.75 
## -15567.4  ->  -15567.26 
## -15567.4  ->  -15566.27 
## -15567.4  ->  -15567.4 
## optimize edge weights:  -15370.05 --> -15369.22 
##  optimize topology:  -15567.4 --> -15369.22 
## -15369.22  ->  -15350.46 
## -15369.22  ->  -15367.87 
## -15369.22  ->  -15367.42 
## -15369.22  ->  -15363.64 
## optimize edge weights:  -15344.86 --> -15344.79 
##  optimize topology:  -15369.22 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  15 
## [1] "Ratchet iteration  6 , best pscore so far: -15344.7896495107"
## -16046.69  ->  -16041.72 
## -16052.72  ->  -16017.66 
## -16062.91  ->  -16017.66 
## -15977.25  ->  -15976.57 
## -16037.42  ->  -16012.41 
## -16054.58  ->  -16002.9 
## -16052.07  ->  -16003.1 
## -16070.33  ->  -15988.8 
## -16075.77  ->  -15989.51 
## -15733.36  ->  -15730.6 
## -16061.24  ->  -15909.08 
## -16043.38  ->  -15954.2 
## -16051.87  ->  -15958.16 
## -16046.24  ->  -16042.02 
## -16044.46  ->  -16030.17 
## -16027.28  ->  -16019.87 
## -16042.31  ->  -16038.63 
## -16047.29  ->  -16039.92 
## -16083.03  ->  -16040.9 
## -16087.27  ->  -16040.9 
## -16027.07  ->  -16022.6 
## -16033.96  ->  -16024.93 
## -16047.56  ->  -16023.69 
## -16039.98  ->  -16020.16 
## -16057.11  ->  -16040.66 
## -16067.15  ->  -16040.66 
## -16034.62  ->  -16034.6 
## -16044.06  ->  -16034.62 
## -16043.25  ->  -16029.74 
## -16043.8  ->  -16029.74 
## -16034.94  ->  -16027.81 
## -16055.1  ->  -16036.5 
## -16041.28  ->  -16038.34 
## -16040.49  ->  -16025.63 
## -16040.37  ->  -16025.15 
## -16021.24  ->  -15990.26 
## -16041.36  ->  -16025.13 
## -16017.38  ->  -16009.74 
## -16054.25  ->  -16022.85 
## -16040.91  ->  -16029.63 
## -16036.91  ->  -16026.99 
## -16031.71  ->  -16031.09 
## -16047.91  ->  -16037.15 
## optimize edge weights:  -15609.23 --> -15571.28 
##  optimize topology:  -16042.52 --> -15571.28 
## -15567.52  ->  -15566.34 
## -15565.39  ->  -15547.95 
## -15570.57  ->  -15570.37 
## -15568.13  ->  -15565.88 
## -15568.22  ->  -15566.84 
## -15564.89  ->  -15561.98 
## -15571.28  ->  -15567.56 
## -15571.28  ->  -15555.15 
## -15571.28  ->  -15570.86 
## -15571.28  ->  -15570.82 
## -15571.28  ->  -15571.28 
## -15570.15  ->  -15564.12 
## -15564.08  ->  -15550.57 
## -15569.12  ->  -15568.38 
## -15570.76  ->  -15570.54 
## optimize edge weights:  -15511.19 --> -15507.16 
##  optimize topology:  -15571.28 --> -15507.16 
## -15504.08  ->  -15501.96 
## -15503.68  ->  -15502.01 
## -15507.16  ->  -15487.78 
## -15507.16  ->  -15507.16 
## -15506.57  ->  -15506.08 
## -15502.14  ->  -15497.26 
## -15507.16  ->  -15482.08 
## -15507.16  ->  -15507.16 
## -15507.16  ->  -15506.75 
## -15507.16  ->  -15506.91 
## -15507.16  ->  -15507.16 
## -15499.44  ->  -15474.09 
## -15506.66  ->  -15506.51 
## -15504.64  ->  -15503.68 
## optimize edge weights:  -15423.95 --> -15423.51 
##  optimize topology:  -15507.16 --> -15423.51 
## -15423.3  ->  -15422.23 
## -15423.41  ->  -15423.23 
## -15417.42  ->  -15414.32 
## -15423.51  ->  -15396.93 
## -15423.51  ->  -15423.43 
## -15423.51  ->  -15421.56 
## -15423.51  ->  -15423.51 
## -15423.51  ->  -15423.51 
## -15420.57  ->  -15419.25 
## optimize edge weights:  -15390.99 --> -15390.57 
##  optimize topology:  -15423.51 --> -15390.57 
## -15390.77  ->  -15390.53 
## -15383.46  ->  -15378.51 
## -15390.57  ->  -15388.91 
## -15390.57  ->  -15390.57 
## optimize edge weights:  -15376.71 --> -15376.37 
##  optimize topology:  -15390.57 --> -15376.37 
## -15368.23  ->  -15365.93 
## -15373.12  ->  -15371.82 
## -15376.24  ->  -15376.19 
## optimize edge weights:  -15365.93 --> -15365.69 
##  optimize topology:  -15376.37 --> -15365.69 
## -15365.69  ->  -15348.84 
## -15365.69  ->  -15364.82 
## optimize edge weights:  -15348.84 --> -15348.45 
##  optimize topology:  -15365.69 --> -15348.45 
## -15347.56  ->  -15344.92 
## optimize edge weights:  -15344.92 --> -15344.8 
##  optimize topology:  -15348.45 --> -15344.8 
## optimize edge weights:  -15344.8 --> -15344.8 
##  optimize topology:  -15344.8 --> -15344.8 
## NNI moves:  23 
## [1] "Ratchet iteration  7 , best pscore so far: -15344.7896495107"
## -15737.78  ->  -15737.69 
## -15745.21  ->  -15743.08 
## -15745.52  ->  -15745.01 
## -15743.25  ->  -15742.86 
## -15745.66  ->  -15745 
## -15751.98  ->  -15735.05 
## -15761.04  ->  -15735.05 
## -15688.14  ->  -15688.04 
## -15758.92  ->  -15727.24 
## -15756.92  ->  -15735.74 
## -15771.71  ->  -15740.19 
## -15735.53  ->  -15730.12 
## -15741.83  ->  -15732.69 
## -15732.09  ->  -15721.82 
## -15742.08  ->  -15730.61 
## -15749.48  ->  -15732.33 
## -15750.16  ->  -15732.33 
## -15735.6  ->  -15722.77 
## -15746.25  ->  -15725.76 
## -15742.89  ->  -15727.62 
## -15752.7  ->  -15727.92 
## -15719.57  ->  -15719.4 
## -15739.35  ->  -15732.84 
## -15726.98  ->  -15701.28 
## -15743.44  ->  -15720.31 
## -15733.06  ->  -15726.93 
## -15746.76  ->  -15726.9 
## -15762.88  ->  -15739.91 
## -15755.53  ->  -15739.59 
## -15769.58  ->  -15740.78 
## -15757.37  ->  -15735.83 
## -15609.05  ->  -15609.02 
## -15763.82  ->  -15675.13 
## -15754.86  ->  -15699.17 
## -15754.43  ->  -15698.52 
## optimize edge weights:  -15459.43 --> -15435.26 
##  optimize topology:  -15745.81 --> -15435.26 
## -15432.09  ->  -15431.05 
## -15434.69  ->  -15430.31 
## -15434.92  ->  -15434.09 
## -15435.26  ->  -15423.89 
## -15435.26  ->  -15433.4 
## -15435.2  ->  -15435.17 
## -15435.26  ->  -15401.55 
## -15450.12  ->  -15432.06 
## -15425.78  ->  -15401.83 
## optimize edge weights:  -15356.75 --> -15356.11 
##  optimize topology:  -15435.26 --> -15356.11 
## -15352.59  ->  -15351.02 
## -15356.11  ->  -15353.98 
## -15356.11  ->  -15350.31 
## optimize edge weights:  -15345.32 --> -15345.16 
##  optimize topology:  -15356.11 --> -15345.16 
## -15345.18  ->  -15344.86 
## optimize edge weights:  -15344.86 --> -15344.79 
##  optimize topology:  -15345.16 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  12 
## [1] "Ratchet iteration  8 , best pscore so far: -15344.7896495107"
## -15614.57  ->  -15614.53 
## -15617.5  ->  -15615.79 
## -15618.91  ->  -15617.03 
## -15607.15  ->  -15606.8 
## -15615.21  ->  -15612.76 
## -15622.09  ->  -15613.13 
## -15627.32  ->  -15613.73 
## -15631.28  ->  -15615.18 
## -15611.62  ->  -15611.45 
## -15620.89  ->  -15601.89 
## -15622.06  ->  -15603.31 
## -15584.5  ->  -15582.24 
## -15612.82  ->  -15596.27 
## -15574.44  ->  -15574.3 
## -15615.91  ->  -15604.06 
## -15618.56  ->  -15616.87 
## -15660.72  ->  -15604.15 
## -15640.63  ->  -15599.34 
## -15630.45  ->  -15565.31 
## -15626.68  ->  -15565.45 
## -15462.33  ->  -15462.23 
## -15598.06  ->  -15525.64 
## -15588.86  ->  -15588.61 
## -15615.67  ->  -15607.52 
## optimize edge weights:  -15404.6 --> -15379.19 
##  optimize topology:  -15617.06 --> -15379.19 
## -15377.15  ->  -15377.03 
## -15379.19  ->  -15364.04 
## -15379.19  ->  -15378.51 
## -15372.41  ->  -15363.48 
## -15378.06  ->  -15377.28 
## optimize edge weights:  -15345.99 --> -15345.31 
##  optimize topology:  -15379.19 --> -15345.31 
## -15344.89  ->  -15344.82 
## optimize edge weights:  -15344.82 --> -15344.79 
##  optimize topology:  -15345.31 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  8 
## [1] "Ratchet iteration  9 , best pscore so far: -15344.7896495107"
## -16055.33  ->  -16055.18 
## -16058.27  ->  -16056.69 
## -16058.47  ->  -16053.84 
## -16061.77  ->  -16054.97 
## -16058.59  ->  -16048.44 
## -16058.33  ->  -16048.44 
## -16004.18  ->  -15995.43 
## -16057.34  ->  -16029.83 
## -16052.5  ->  -16050.61 
## -16058.86  ->  -16057.9 
## -16051.72  ->  -16051.65 
## -16065.59  ->  -16056.81 
## -16060.22  ->  -16054.35 
## -16064.68  ->  -16053.96 
## -16062.89  ->  -16053.87 
## -16043.95  ->  -16029.05 
## -16061.52  ->  -16049.98 
## -16055.53  ->  -16055.4 
## -16057.71  ->  -16057.61 
## -16060.86  ->  -16051.05 
## -16057.58  ->  -16048.11 
## -16044.65  ->  -16034.52 
## -16065.92  ->  -16048.45 
## -16062.77  ->  -15995.05 
## -16063.71  ->  -15996.82 
## -16140.43  ->  -15958.37 
## -16157.31  ->  -15958.7 
## -15695.9  ->  -15637.67 
## -16039.56  ->  -15852.55 
## -16177.63  ->  -15960.65 
## -16081.22  ->  -15956.54 
## optimize edge weights:  -15539.8 --> -15494.16 
##  optimize topology:  -16058.27 --> -15494.16 
## -15493.09  ->  -15492.68 
## -15494.54  ->  -15494.14 
## -15494.16  ->  -15494.16 
## -15492.02  ->  -15490.05 
## -15494.16  ->  -15488.48 
## -15494.16  ->  -15493.71 
## -15490.43  ->  -15489.36 
## -15486.46  ->  -15484.21 
## -15481.41  ->  -15426.27 
## -15492.07  ->  -15491.92 
## -15490.56  ->  -15488.99 
## optimize edge weights:  -15412.1 --> -15411.44 
##  optimize topology:  -15494.16 --> -15411.44 
## -15410.43  ->  -15410.01 
## -15408.18  ->  -15399.94 
## -15404.78  ->  -15389.71 
## -15412.37  ->  -15411.23 
## optimize edge weights:  -15388.07 --> -15387.7 
##  optimize topology:  -15411.44 --> -15387.7 
## -15385.14  ->  -15381.48 
## -15379.04  ->  -15372.08 
## optimize edge weights:  -15372.08 --> -15371.49 
##  optimize topology:  -15387.7 --> -15371.49 
## -15370.66  ->  -15370.18 
## -15367.87  ->  -15346.21 
## optimize edge weights:  -15346.21 --> -15346.1 
##  optimize topology:  -15371.49 --> -15346.1 
## -15345.6  ->  -15345.18 
## -15346.13  ->  -15345.81 
## optimize edge weights:  -15344.88 --> -15344.8 
##  optimize topology:  -15346.1 --> -15344.8 
## optimize edge weights:  -15344.8 --> -15344.8 
##  optimize topology:  -15344.8 --> -15344.8 
## NNI moves:  17 
## [1] "Ratchet iteration  10 , best pscore so far: -15344.7896495107"
## -16015.96  ->  -15991.43 
## -16018.88  ->  -15994.2 
## -16014.5  ->  -16003.58 
## -16017.45  ->  -16004.51 
## -15965.21  ->  -15964.63 
## -16013.74  ->  -15997.62 
## -16014.2  ->  -15981.74 
## -15949.97  ->  -15942.48 
## -16023.35  ->  -15984.97 
## -15997.84  ->  -15977.28 
## -16007.32  ->  -15987.07 
## -16008.6  ->  -15984.39 
## -15963.56  ->  -15958.46 
## -16002.6  ->  -15985.65 
## -16013.64  ->  -15999.83 
## -16024.22  ->  -15995.75 
## -16036.8  ->  -15996.1 
## -16011.57  ->  -15995.07 
## -16013.64  ->  -15995.54 
## -16014.17  ->  -15992.38 
## -16013.45  ->  -15992.38 
## -15955.18  ->  -15955.17 
## -16004.88  ->  -15986.04 
## -16004.44  ->  -15994.97 
## -16001.83  ->  -15994.36 
## -15977.92  ->  -15966.22 
## -16003.07  ->  -15979.89 
## -15995.21  ->  -15985.17 
## -16003.75  ->  -15991.97 
## -16008.59  ->  -16003.4 
## -16008.17  ->  -16003.37 
## -16013.7  ->  -15989.41 
## -16026.6  ->  -15990.46 
## -15980.92  ->  -15974.85 
## -16016.61  ->  -15988.06 
## -16010.62  ->  -15987.61 
## -15995.2  ->  -15968.36 
## -16008.6  ->  -15993.43 
## -16008.37  ->  -15993.94 
## -16023.16  ->  -15994.47 
## -16022.05  ->  -15995.8 
## -15943.8  ->  -15942.89 
## -16013.57  ->  -15979.5 
## -16020.97  ->  -16001.22 
## -16016.37  ->  -16001.22 
## -16026.7  ->  -15989.45 
## -16016  ->  -15985.11 
## -15991.77  ->  -15921.35 
## -16001.08  ->  -15939.59 
## -15989.53  ->  -15930.28 
## -16009.5  ->  -15941.12 
## optimize edge weights:  -15724.71 --> -15627.97 
##  optimize topology:  -16004.88 --> -15627.97 
## -15627.97  ->  -15624.82 
## -15605.39  ->  -15590.04 
## -15616.81  ->  -15590.31 
## -15627.97  ->  -15561.69 
## -15627.97  ->  -15625.68 
## -15627.97  ->  -15627.9 
## -15627.97  ->  -15627.41 
## -15627.48  ->  -15618.43 
## -15627.97  ->  -15620.67 
## -15627.97  ->  -15627.35 
## -15627.75  ->  -15623.14 
## -15627.51  ->  -15589.58 
## -15627.97  ->  -15622.43 
## -15627.97  ->  -15626.18 
## -15623.14  ->  -15619.5 
## -15613.36  ->  -15591.97 
## optimize edge weights:  -15413.95 --> -15412.09 
##  optimize topology:  -15627.97 --> -15412.09 
## -15412.09  ->  -15411.56 
## -15412.09  ->  -15407.7 
## -15411.44  ->  -15402.06 
## -15412.09  ->  -15405.31 
## -15412.09  ->  -15412.02 
## -15412.06  ->  -15406.68 
## -15412.08  ->  -15410.5 
## -15408.58  ->  -15403.34 
## -15409.69  ->  -15408.67 
## optimize edge weights:  -15392.96 --> -15392.34 
##  optimize topology:  -15412.09 --> -15392.34 
## -15392.34  ->  -15391.54 
## -15392.34  ->  -15388.22 
## -15392.34  ->  -15370.11 
## optimize edge weights:  -15370.11 --> -15369.86 
##  optimize topology:  -15392.34 --> -15369.86 
## -15369.86  ->  -15368.98 
## -15369.86  ->  -15367 
## -15369.52  ->  -15368.97 
## optimize edge weights:  -15366.12 --> -15366.03 
##  optimize topology:  -15369.86 --> -15366.03 
## optimize edge weights:  -15366.03 --> -15366.03 
##  optimize topology:  -15366.03 --> -15366.03 
## NNI moves:  17 
## [1] "Ratchet iteration  11 , best pscore so far: -15344.7896495107"
## -15723.75  ->  -15722.89 
## -15726.78  ->  -15725.28 
## -15733.6  ->  -15728.98 
## -15733.09  ->  -15727.89 
## -15732.72  ->  -15726.59 
## -15729.98  ->  -15725.05 
## -15745.83  ->  -15720.95 
## -15730.73  ->  -15714.3 
## -15705.45  ->  -15699.17 
## -15749.87  ->  -15716.7 
## -15702.37  ->  -15688.36 
## -15733.61  ->  -15716.79 
## -15722.79  ->  -15721.28 
## -15720.66  ->  -15718.02 
## -15736.99  ->  -15729.98 
## -15731.21  ->  -15727.81 
## -15735.09  ->  -15729.96 
## -15734.03  ->  -15729.86 
## -15723.44  ->  -15715.4 
## -15740.38  ->  -15723.94 
## -15731.78  ->  -15729.57 
## -15712.44  ->  -15707.86 
## -15726.34  ->  -15718.74 
## -15729.95  ->  -15729.58 
## -15731.94  ->  -15730.85 
## -15716.46  ->  -15716.46 
## -15731.24  ->  -15725.46 
## -15775.96  ->  -15711.69 
## -15756.44  ->  -15707.38 
## -15721.95  ->  -15649.47 
## -15734.9  ->  -15668.97 
## -15709.58  ->  -15661.1 
## -15734.02  ->  -15669.38 
## -15701.77  ->  -15701.34 
## -15725.15  ->  -15718.63 
## optimize edge weights:  -15557.91 --> -15511.38 
##  optimize topology:  -15731.63 --> -15511.38 
## -15510.5  ->  -15510.43 
## -15498.12  ->  -15478.36 
## -15511.38  ->  -15509.8 
## -15511.38  ->  -15506.56 
## -15511.38  ->  -15510.81 
## -15511.38  ->  -15511.3 
## -15501.92  ->  -15497.97 
## -15510.18  ->  -15509.77 
## -15511.28  ->  -15511.11 
## -15511.38  ->  -15444.34 
## -15511.38  ->  -15508.97 
## -15504.38  ->  -15492.01 
## -15510.84  ->  -15510.44 
## optimize edge weights:  -15392.54 --> -15390.28 
##  optimize topology:  -15511.38 --> -15390.28 
## -15380.5  ->  -15375.06 
## -15389.61  ->  -15389.13 
## -15390.27  ->  -15389.97 
## -15390.35  ->  -15389.44 
## -15390.38  ->  -15389.64 
## -15386.05  ->  -15373.92 
## -15389.18  ->  -15387.09 
## -15389.16  ->  -15388.75 
## -15390.34  ->  -15390.1 
## optimize edge weights:  -15357.23 --> -15356.7 
##  optimize topology:  -15390.28 --> -15356.7 
## -15354.66  ->  -15354.51 
## -15356.05  ->  -15355.53 
## -15356.32  ->  -15355.55 
## -15356.74  ->  -15355.77 
## -15357.07  ->  -15356.33 
## optimize edge weights:  -15354.51 --> -15354.51 
##  optimize topology:  -15356.7 --> -15354.51 
## -15353.79  ->  -15353.22 
## -15354.09  ->  -15353.25 
## -15354.48  ->  -15353.54 
## -15354.81  ->  -15354.08 
## optimize edge weights:  -15353.22 --> -15353.18 
##  optimize topology:  -15354.51 --> -15353.18 
## optimize edge weights:  -15353.18 --> -15353.18 
##  optimize topology:  -15353.18 --> -15353.18 
## NNI moves:  15 
## [1] "Ratchet iteration  12 , best pscore so far: -15344.7896495107"
## -16735.35  ->  -16730.84 
## -16733.31  ->  -16728.02 
## -16711.54  ->  -16711.46 
## -16730.4  ->  -16725.74 
## -16730.04  ->  -16728.52 
## -16732  ->  -16730.13 
## -16711.31  ->  -16702.08 
## -16731.4  ->  -16720.19 
## -16729.6  ->  -16721.09 
## -16728.42  ->  -16720.49 
## -16729.14  ->  -16722.84 
## -16714.17  ->  -16712.83 
## -16734.76  ->  -16731.32 
## -16734.02  ->  -16731.14 
## -16735.09  ->  -16733.02 
## -16751.47  ->  -16706.12 
## -16740.66  ->  -16702.59 
## -16767.41  ->  -16657.21 
## -16773.16  ->  -16657.21 
## -16395.83  ->  -16392.66 
## -16717.95  ->  -16576.43 
## -16740.83  ->  -16634.9 
## -16745.7  ->  -16634.98 
## -16675.78  ->  -16672.08 
## -16733.33  ->  -16714.36 
## -16727.05  ->  -16720.52 
## -16729.65  ->  -16721.83 
## -16742.54  ->  -16719.16 
## -16741.79  ->  -16719.16 
## -16679.97  ->  -16679.79 
## -16733.15  ->  -16712.82 
## -16734.38  ->  -16718.27 
## -16738.02  ->  -16719.31 
## -16771.57  ->  -16722.58 
## -16767.08  ->  -16719.9 
## -16621.83  ->  -16548.24 
## -16818.68  ->  -16592.51 
## -16603.63  ->  -16544.43 
## -16766.78  ->  -16595.56 
## -16480.71  ->  -16251.02 
## -16733.43  ->  -16530.58 
## -16750.75  ->  -16562.24 
## -16808.82  ->  -16562.69 
## -16736.95  ->  -16727.39 
## -16734.6  ->  -16727.06 
## optimize edge weights:  -15744.74 --> -15691.72 
##  optimize topology:  -16733.15 --> -15691.72 
## -15691.72  ->  -15676.73 
## -15691.72  ->  -15684.75 
## -15691.25  ->  -15690.78 
## -15686.33  ->  -15679.65 
## -15691.66  ->  -15691.49 
## -15688.3  ->  -15685.47 
## -15688.28  ->  -15686.5 
## -15686.53  ->  -15682.1 
## -15691.41  ->  -15690.95 
## -15691.72  ->  -15689.65 
## -15692.03  ->  -15691.22 
## -15693.43  ->  -15691.29 
## -15691.72  ->  -15513.52 
## -15691.72  ->  -15691.72 
## optimize edge weights:  -15477.23 --> -15449.48 
##  optimize topology:  -15691.72 --> -15449.48 
## -15445.46  ->  -15443.79 
## -15449.48  ->  -15369.25 
## -15449.44  ->  -15449.25 
## -15449.39  ->  -15449.16 
## -15447.94  ->  -15447.75 
## optimize edge weights:  -15367.52 --> -15366.51 
##  optimize topology:  -15449.48 --> -15366.51 
## -15357.92  ->  -15353.8 
## -15366.58  ->  -15366.47 
## -15361.78  ->  -15361.03 
## optimize edge weights:  -15348.26 --> -15347.32 
##  optimize topology:  -15366.51 --> -15347.32 
## -15347.32  ->  -15346.31 
## -15346.78  ->  -15345.95 
## optimize edge weights:  -15344.96 --> -15344.79 
##  optimize topology:  -15347.32 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  18 
## [1] "Ratchet iteration  13 , best pscore so far: -15344.7896495107"
## -15835.19  ->  -15832.98 
## -15837.29  ->  -15825.38 
## -15843.13  ->  -15828.97 
## -15764.78  ->  -15759.31 
## -15837.52  ->  -15801.41 
## -15865.87  ->  -15829.54 
## -15863.38  ->  -15829.43 
## -15813.71  ->  -15802.48 
## -15827.27  ->  -15813.41 
## -15860.41  ->  -15822.37 
## -15860.12  ->  -15822.37 
## -15753.75  ->  -15750.45 
## -15835.3  ->  -15805 
## -15805.72  ->  -15802.45 
## -15836.24  ->  -15826.82 
## -15864.28  ->  -15834.39 
## -15868.56  ->  -15834.76 
## -15834.66  ->  -15815.49 
## -15798.45  ->  -15793.22 
## -15839  ->  -15834.68 
## -15836.29  ->  -15834.68 
## -15835.87  ->  -15822.23 
## -15838.19  ->  -15822.23 
## -15833.08  ->  -15827.4 
## -15845.96  ->  -15834.84 
## -15833.42  ->  -15825.44 
## -15842.53  ->  -15826.4 
## -15837.56  ->  -15831.1 
## -15839.38  ->  -15831.59 
## -15833.54  ->  -15833.23 
## -15814.29  ->  -15784.56 
## -15836.28  ->  -15796.77 
## -15847.56  ->  -15790.22 
## -15749.95  ->  -15739.08 
## -15851.6  ->  -15834.43 
## -15848.72  ->  -15834.4 
## -15806.19  ->  -15793.17 
## -15835.31  ->  -15811.68 
## -15835.51  ->  -15813.69 
## -15811.41  ->  -15805.57 
## optimize edge weights:  -15572.05 --> -15524.27 
##  optimize topology:  -15835.65 --> -15524.27 
## -15515.07  ->  -15488.71 
## -15524.11  ->  -15524.11 
## -15516.15  ->  -15510.68 
## -15521.57  ->  -15520.88 
## -15517.22  ->  -15509.47 
## -15524.2  ->  -15524.13 
## -15519.13  ->  -15510.41 
## -15524.19  ->  -15524.15 
## -15524.5  ->  -15523.7 
## -15521.97  ->  -15521.57 
## -15524.27  ->  -15523.94 
## -15524.27  ->  -15509.98 
## -15524.27  ->  -15489.73 
## -15524.27  ->  -15524.27 
## optimize edge weights:  -15425.34 --> -15424.03 
##  optimize topology:  -15524.27 --> -15424.03 
## -15415.37  ->  -15414.56 
## -15413.73  ->  -15408 
## -15417.12  ->  -15409.86 
## -15424.22  ->  -15423.94 
## -15424.02  ->  -15423.55 
## -15423.56  ->  -15421.77 
## -15424.03  ->  -15414.88 
## -15424.03  ->  -15424.03 
## -15420.92  ->  -15420.2 
## optimize edge weights:  -15370.62 --> -15370.18 
##  optimize topology:  -15424.03 --> -15370.18 
## -15370.24  ->  -15369.92 
## -15370.17  ->  -15369.8 
## -15370.18  ->  -15370.18 
## -15370.18  ->  -15368.52 
## -15370.2  ->  -15370.01 
## optimize edge weights:  -15368.45 --> -15368.29 
##  optimize topology:  -15370.18 --> -15368.29 
## -15368.29  ->  -15345.6 
## -15368.29  ->  -15368.24 
## optimize edge weights:  -15345.6 --> -15345.16 
##  optimize topology:  -15368.29 --> -15345.16 
## -15345.18  ->  -15344.86 
## optimize edge weights:  -15344.86 --> -15344.79 
##  optimize topology:  -15345.16 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  17 
## [1] "Ratchet iteration  14 , best pscore so far: -15344.7896495107"
## -15719.91  ->  -15715.1 
## -15719.95  ->  -15714.37 
## -15714.3  ->  -15712.63 
## -15713.96  ->  -15712.27 
## -15704.42  ->  -15699.67 
## -15700.7  ->  -15696.12 
## -15714.7  ->  -15714.68 
## -15717.67  ->  -15716.26 
## -15716.88  ->  -15712.79 
## -15719.92  ->  -15713.9 
## -15726.02  ->  -15703.96 
## -15725.28  ->  -15703.96 
## -15663.36  ->  -15663.36 
## -15716.63  ->  -15697.61 
## -15699.7  ->  -15698.74 
## -15712.26  ->  -15704.84 
## -15719.17  ->  -15712.4 
## -15714.76  ->  -15710.3 
## -15717.77  ->  -15715.79 
## -15692.25  ->  -15682.93 
## -15713.69  ->  -15701.8 
## -15711.56  ->  -15702.41 
## -15711.44  ->  -15702.56 
## -15716.37  ->  -15714.37 
## -15735.49  ->  -15705.13 
## -15731.36  ->  -15705.81 
## -15648.26  ->  -15647.86 
## -15722.87  ->  -15688.26 
## -15730.35  ->  -15710.07 
## -15723.05  ->  -15709.79 
## -15740.45  ->  -15709.91 
## -15728.3  ->  -15706 
## -15581.1  ->  -15581.07 
## -15734.92  ->  -15646.21 
## -15725.53  ->  -15670.11 
## -15725.22  ->  -15669.46 
## optimize edge weights:  -15401.53 --> -15396.26 
##  optimize topology:  -15716.63 --> -15396.26 
## -15394.15  ->  -15393.13 
## -15390.96  ->  -15389.1 
## -15387.09  ->  -15384.47 
## -15395.09  ->  -15394.58 
## -15396.25  ->  -15396.02 
## -15396.26  ->  -15379.57 
## -15396.26  ->  -15389.69 
## -15395.49  ->  -15394.6 
## optimize edge weights:  -15367.77 --> -15367.39 
##  optimize topology:  -15396.26 --> -15367.39 
## -15365.33  ->  -15364.45 
## -15366.92  ->  -15366.16 
## -15366.32  ->  -15365.86 
## -15367.61  ->  -15367.29 
## optimize edge weights:  -15361.92 --> -15361.69 
##  optimize topology:  -15367.39 --> -15361.69 
## -15359.08  ->  -15356.17 
## optimize edge weights:  -15356.17 --> -15356.03 
##  optimize topology:  -15361.69 --> -15356.03 
## -15352.95  ->  -15348.8 
## -15354.69  ->  -15352.66 
## -15353.83  ->  -15353.45 
## optimize edge weights:  -15348.8 --> -15348.57 
##  optimize topology:  -15356.03 --> -15348.57 
## -15345.47  ->  -15344.83 
## optimize edge weights:  -15344.83 --> -15344.79 
##  optimize topology:  -15348.57 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  14 
## [1] "Ratchet iteration  15 , best pscore so far: -15344.7896495107"
## -15839.83  ->  -15830.69 
## -15841.55  ->  -15830.35 
## -15828.33  ->  -15806.82 
## -15831.61  ->  -15809.29 
## -15788.3  ->  -15775.14 
## -15825.37  ->  -15804.46 
## -15819.42  ->  -15798.72 
## -15847.95  ->  -15805.76 
## -15810.83  ->  -15805.48 
## -15835.54  ->  -15820.5 
## -15813.55  ->  -15813.54 
## -15830.94  ->  -15826.56 
## -15835.57  ->  -15834.16 
## -15835.71  ->  -15834.27 
## -15831.06  ->  -15830.89 
## -15836.2  ->  -15831.52 
## -15834.47  ->  -15831.34 
## -15851.87  ->  -15828.94 
## -15859.77  ->  -15828.94 
## -15838.63  ->  -15830.83 
## -15838.65  ->  -15830.83 
## -15824.74  ->  -15824.74 
## -15833.5  ->  -15824.75 
## -15809.39  ->  -15798.92 
## -15836.61  ->  -15823.91 
## -15828.29  ->  -15798.92 
## -15848.55  ->  -15808.58 
## -15861.37  ->  -15781.98 
## -15928.7  ->  -15793.3 
## -15801.87  ->  -15724.63 
## -15836.31  ->  -15755.59 
## -15819.38  ->  -15782.17 
## -15833.96  ->  -15794.79 
## -15845.07  ->  -15796.38 
## -15871.81  ->  -15797.57 
## -15832.32  ->  -15831.39 
## -15835.23  ->  -15832.88 
## optimize edge weights:  -15593.35 --> -15556.49 
##  optimize topology:  -15834.51 --> -15556.49 
## -15552.1  ->  -15533.84 
## -15554.44  ->  -15547.9 
## -15550.13  ->  -15539.97 
## -15556.47  ->  -15556.42 
## -15554.53  ->  -15527.39 
## -15551.84  ->  -15549.87 
## -15556.28  ->  -15555.58 
## -15549.91  ->  -15546.56 
## -15556.49  ->  -15468.92 
## optimize edge weights:  -15417.17 --> -15414.38 
##  optimize topology:  -15556.49 --> -15414.38 
## -15401.6  ->  -15381.64 
## -15406.89  ->  -15397.99 
## -15405.3  ->  -15400.69 
## -15414.07  ->  -15413.51 
## -15411.43  ->  -15410.51 
## optimize edge weights:  -15363.95 --> -15363.08 
##  optimize topology:  -15414.38 --> -15363.08 
## -15355.63  ->  -15345.81 
## -15362.59  ->  -15362.13 
## optimize edge weights:  -15344.88 --> -15344.79 
##  optimize topology:  -15363.08 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  14 
## [1] "Ratchet iteration  16 , best pscore so far: -15344.7896495107"
## -15720.91  ->  -15698.59 
## -15696.76  ->  -15687.12 
## -15700.29  ->  -15692.83 
## -15713.06  ->  -15693.79 
## -15733.33  ->  -15712.34 
## -15676.87  ->  -15663.08 
## -15713.04  ->  -15692.37 
## -15724.82  ->  -15704.39 
## -15725.07  ->  -15704.39 
## -15720.56  ->  -15713.81 
## -15715.64  ->  -15714.62 
## -15697.91  ->  -15689.67 
## -15717.33  ->  -15709.68 
## -15705.2  ->  -15682.95 
## -15721.44  ->  -15701.41 
## -15738.51  ->  -15703.89 
## -15754.19  ->  -15705.64 
## -15711.57  ->  -15698.76 
## -15729.01  ->  -15702.59 
## -15710.54  ->  -15710.29 
## -15717.43  ->  -15703.5 
## -15725.07  ->  -15703.83 
## -15705.27  ->  -15695.51 
## -15706.01  ->  -15689.9 
## -15723.33  ->  -15712.53 
## -15739.14  ->  -15713.27 
## -15717.52  ->  -15709.84 
## -15723.17  ->  -15710.76 
## -15722.69  ->  -15708.82 
## -15718.48  ->  -15707.08 
## -15684.54  ->  -15684.27 
## -15708.78  ->  -15699.81 
## -15707.99  ->  -15707.82 
## -15708.85  ->  -15707.27 
## -15713.11  ->  -15710.09 
## -15717.55  ->  -15713.63 
## -15694.57  ->  -15694.45 
## -15718.57  ->  -15711.86 
## optimize edge weights:  -15554.51 --> -15499.81 
##  optimize topology:  -15714.77 --> -15499.81 
## -15493.35  ->  -15477.12 
## -15499.81  ->  -15468.95 
## -15514.6  ->  -15496.59 
## -15497.39  ->  -15495.61 
## -15499.84  ->  -15497.1 
## -15499.4  ->  -15499.06 
## -15499.66  ->  -15499.55 
## -15499.81  ->  -15498.98 
## -15499.81  ->  -15491.86 
## -15492.06  ->  -15491.56 
## -15499.81  ->  -15495.94 
## -15499.81  ->  -15498.64 
## -15499.12  ->  -15499.02 
## -15497.59  ->  -15497.42 
## optimize edge weights:  -15431.95 --> -15429.8 
##  optimize topology:  -15499.81 --> -15429.8 
## -15429.8  ->  -15428.06 
## -15429.8  ->  -15429.65 
## -15429.8  ->  -15429.13 
## -15429.8  ->  -15429.78 
## -15429.8  ->  -15428.8 
## -15429.8  ->  -15422.24 
## -15430.07  ->  -15429.73 
## -15429.8  ->  -15425.38 
## -15429.8  ->  -15428.45 
## -15426.79  ->  -15425.08 
## optimize edge weights:  -15416.57 --> -15416.4 
##  optimize topology:  -15429.8 --> -15416.4 
## -15416.4  ->  -15390.52 
## -15416.4  ->  -15416.4 
## -15417.27  ->  -15412.23 
## -15416.4  ->  -15411.91 
## -15416.4  ->  -15415.73 
## optimize edge weights:  -15387.02 --> -15386.46 
##  optimize topology:  -15416.4 --> -15386.46 
## -15386.7  ->  -15381.28 
## -15386.44  ->  -15386.26 
## -15386.46  ->  -15350.51 
## -15386.46  ->  -15385.09 
## optimize edge weights:  -15350.51 --> -15349.95 
##  optimize topology:  -15386.46 --> -15349.95 
## -15350  ->  -15344.81 
## optimize edge weights:  -15344.81 --> -15344.79 
##  optimize topology:  -15349.95 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  17 
## [1] "Ratchet iteration  17 , best pscore so far: -15344.7896495107"
## -16559.69  ->  -16555.63 
## -16562.47  ->  -16557.98 
## -16563.02  ->  -16559.23 
## -16561.69  ->  -16557.81 
## -16538.15  ->  -16538.15 
## -16559.65  ->  -16554.28 
## -16563.4  ->  -16553.2 
## -16570.43  ->  -16556.26 
## -16501.09  ->  -16500.4 
## -16571.57  ->  -16542.06 
## -16531.65  ->  -16529 
## -16556.84  ->  -16548.69 
## -16553.81  ->  -16549.84 
## -16554.89  ->  -16547.02 
## -16564.05  ->  -16558.99 
## -16570.38  ->  -16559.18 
## -16554.71  ->  -16551.34 
## -16555.31  ->  -16553.23 
## -16571.89  ->  -16557.14 
## -16573.88  ->  -16557.62 
## -16579.61  ->  -16544.42 
## -16577.47  ->  -16544.49 
## -16599.49  ->  -16508.53 
## -16607.57  ->  -16508.53 
## -16308.74  ->  -16308.47 
## -16566.17  ->  -16450.66 
## -16561.81  ->  -16558.34 
## -16560.12  ->  -16557.87 
## -16510.93  ->  -16502.08 
## -16560.92  ->  -16532.05 
## -16554.4  ->  -16544.79 
## -16559.96  ->  -16548.11 
## -16559.02  ->  -16552.25 
## -16563.6  ->  -16553.49 
## -16521.01  ->  -16520.93 
## -16563.25  ->  -16549.55 
## -16595.07  ->  -16549.99 
## -16595.95  ->  -16549.99 
## -16609.64  ->  -16478.31 
## -16608.34  ->  -16478.96 
## -16380.03  ->  -16364.47 
## -16568.7  ->  -16434.83 
## -16640.86  ->  -16476.6 
## -16666.39  ->  -16476.64 
## -16060.24  ->  -16015.93 
## -16556.27  ->  -16317.9 
## -16616.07  ->  -16463.58 
## -16626.19  ->  -16463.58 
## -16556.42  ->  -16556.06 
## -16558.86  ->  -16557.72 
## optimize edge weights:  -15607.49 --> -15528.72 
##  optimize topology:  -16559.63 --> -15528.72 
## -15527.15  ->  -15522.17 
## -15528.72  ->  -15513.71 
## -15528.72  ->  -15527.92 
## -15528.72  ->  -15528.28 
## -15528.72  ->  -15510.33 
## -15528.72  ->  -15527.57 
## -15528.72  ->  -15528.72 
## -15528.72  ->  -15523.52 
## -15528.72  ->  -15527.11 
## -15529.38  ->  -15528.63 
## -15527.16  ->  -15526.65 
## -15528.72  ->  -15528.72 
## -15528.72  ->  -15527.12 
## -15528.72  ->  -15528.72 
## -15518.39  ->  -15500.48 
## optimize edge weights:  -15460.45 --> -15459.86 
##  optimize topology:  -15528.72 --> -15459.86 
## -15453.72  ->  -15372.72 
## -15459.86  ->  -15458.61 
## -15459.86  ->  -15459.86 
## -15459.86  ->  -15454.99 
## -15459.86  ->  -15458.26 
## -15459.72  ->  -15459.55 
## -15458.62  ->  -15458.15 
## -15459.86  ->  -15458.27 
## -15459.86  ->  -15459.86 
## optimize edge weights:  -15365.02 --> -15363.52 
##  optimize topology:  -15459.86 --> -15363.52 
## -15363.64  ->  -15363.36 
## -15362.39  ->  -15361.91 
## -15354.98  ->  -15351.13 
## optimize edge weights:  -15351.13 --> -15350.87 
##  optimize topology:  -15363.52 --> -15350.87 
## -15350.92  ->  -15350.68 
## -15349.75  ->  -15349.29 
## -15351.69  ->  -15350.56 
## -15348.43  ->  -15347.11 
## optimize edge weights:  -15347.11 --> -15346.96 
##  optimize topology:  -15350.87 --> -15346.96 
## -15347  ->  -15346.77 
## -15345.85  ->  -15345.4 
## -15347.61  ->  -15346.42 
## optimize edge weights:  -15344.85 --> -15344.8 
##  optimize topology:  -15346.96 --> -15344.8 
## optimize edge weights:  -15344.8 --> -15344.8 
##  optimize topology:  -15344.8 --> -15344.8 
## NNI moves:  21 
## [1] "Ratchet iteration  18 , best pscore so far: -15344.7896495107"
## -15839.96  ->  -15826.74 
## -15840.41  ->  -15826.74 
## -15798.3  ->  -15797.06 
## -15817.45  ->  -15810.59 
## -15841.96  ->  -15812.88 
## -15844.03  ->  -15812.88 
## -15760.14  ->  -15759.38 
## -15820.05  ->  -15802.36 
## -15807.61  ->  -15803.33 
## -15832.49  ->  -15820.64 
## -15836.7  ->  -15832.4 
## -15833.35  ->  -15828.97 
## -15814.87  ->  -15814.83 
## -15836.85  ->  -15830.7 
## -15831.12  ->  -15824.63 
## -15832.73  ->  -15825.03 
## -15833.29  ->  -15832.82 
## -15824.58  ->  -15824.58 
## -15826.09  ->  -15824.98 
## -15831.79  ->  -15831.45 
## -15833.4  ->  -15832.35 
## -15802.02  ->  -15800.76 
## -15832.66  ->  -15818.99 
## -15832.35  ->  -15820.5 
## -15834.35  ->  -15821.27 
## -15862.95  ->  -15823.35 
## -15858.43  ->  -15823.35 
## -15827.13  ->  -15759.09 
## -15836.38  ->  -15768.45 
## -15679.5  ->  -15678.76 
## -15838.21  ->  -15740.8 
## -15806.74  ->  -15786.77 
## -15845.03  ->  -15798.19 
## -15837.12  ->  -15805.45 
## -15847.94  ->  -15805.63 
## -15773.89  ->  -15762.73 
## -15823.87  ->  -15798.03 
## -15843.1  ->  -15814.13 
## -15844.54  ->  -15814.11 
## optimize edge weights:  -15485.4 --> -15443.48 
##  optimize topology:  -15833.31 --> -15443.48 
## -15442.51  ->  -15442.1 
## -15443.48  ->  -15424.31 
## -15443.48  ->  -15441.71 
## -15433.32  ->  -15426.9 
## -15443.48  ->  -15428.74 
## -15443.48  ->  -15442.75 
## -15442.43  ->  -15442.02 
## -15443.74  ->  -15443.4 
## -15443.48  ->  -15441.84 
## -15440.72  ->  -15439.79 
## -15439.36  ->  -15429.77 
## -15437.83  ->  -15421.59 
## optimize edge weights:  -15364.51 --> -15363.83 
##  optimize topology:  -15443.48 --> -15363.83 
## -15362.45  ->  -15362.02 
## -15362.95  ->  -15362.94 
## -15362.98  ->  -15362.59 
## -15362.39  ->  -15360.5 
## -15361.59  ->  -15359.17 
## optimize edge weights:  -15356.96 --> -15356.55 
##  optimize topology:  -15363.83 --> -15356.55 
## -15356.37  ->  -15351.09 
## -15354.77  ->  -15354.46 
## -15355.16  ->  -15353.95 
## -15355.57  ->  -15352.89 
## optimize edge weights:  -15347.63 --> -15347.5 
##  optimize topology:  -15356.55 --> -15347.5 
## -15345.94  ->  -15345.21 
## -15346.5  ->  -15344.86 
## optimize edge weights:  -15344.86 --> -15344.79 
##  optimize topology:  -15347.5 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  18 
## [1] "Ratchet iteration  19 , best pscore so far: -15344.7896495107"
## -15838.21  ->  -15836.57 
## -15838.78  ->  -15837.03 
## -15836.31  ->  -15826.34 
## -15853.35  ->  -15829.39 
## -15862.53  ->  -15809.25 
## -15869.39  ->  -15812.85 
## -15888.44  ->  -15809.89 
## -15899.85  ->  -15809.89 
## -15600.83  ->  -15600.82 
## -15860.48  ->  -15741.58 
## -15816.11  ->  -15810.45 
## -15825.46  ->  -15816.94 
## -15843.68  ->  -15834.72 
## -15844.03  ->  -15834.86 
## -15815.67  ->  -15807.41 
## -15840.97  ->  -15821.82 
## -15847.45  ->  -15825.04 
## -15846.72  ->  -15825.04 
## -15788.92  ->  -15788.85 
## -15838.15  ->  -15818.7 
## -15837.54  ->  -15834.03 
## -15841.35  ->  -15835.29 
## -15812.28  ->  -15799.53 
## -15842.94  ->  -15821.49 
## -15828.33  ->  -15820.7 
## -15829.75  ->  -15824.35 
## -15839.15  ->  -15837.92 
## -15838.19  ->  -15837.19 
## -15815.45  ->  -15815.44 
## -15834.34  ->  -15829.86 
## -15837.72  ->  -15828.18 
## -15842.28  ->  -15830.81 
## -15808.13  ->  -15806.78 
## -15833.5  ->  -15826.49 
## -15818.81  ->  -15818.59 
## -15846.05  ->  -15834.8 
## -15832.96  ->  -15832.94 
## optimize edge weights:  -15436.5 --> -15413.79 
##  optimize topology:  -15838.15 --> -15413.79 
## -15413.7  ->  -15413.62 
## -15414.85  ->  -15413.73 
## -15413.79  ->  -15399.77 
## -15413.79  ->  -15411.04 
## -15413.77  ->  -15413.76 
## -15407.89  ->  -15388.51 
## -15413.79  ->  -15405.16 
## -15413.79  ->  -15410.14 
## -15412.63  ->  -15411.96 
## -15412.31  ->  -15410.31 
## -15413.79  ->  -15412.38 
## -15413.79  ->  -15413.45 
## optimize edge weights:  -15368.83 --> -15368.09 
##  optimize topology:  -15413.79 --> -15368.09 
## -15367.64  ->  -15367.38 
## -15359.47  ->  -15354.86 
## -15364.28  ->  -15360.95 
## -15368.09  ->  -15359.24 
## -15368.09  ->  -15363.92 
## -15368.15  ->  -15367.03 
## optimize edge weights:  -15354.06 --> -15353.35 
##  optimize topology:  -15368.09 --> -15353.35 
## -15351.28  ->  -15344.81 
## -15350.8  ->  -15349.98 
## optimize edge weights:  -15344.81 --> -15344.79 
##  optimize topology:  -15353.35 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  14 
## [1] "Ratchet iteration  20 , best pscore so far: -15344.7896495107"
## -15636.97  ->  -15634.23 
## -15641.55  ->  -15635.78 
## -15641.34  ->  -15632.48 
## -15642.52  ->  -15632.55 
## -15618.74  ->  -15618.67 
## -15635.17  ->  -15630.03 
## -15638.4  ->  -15637.84 
## -15639.69  ->  -15639.06 
## -15642.05  ->  -15638.43 
## -15650.7  ->  -15622.79 
## -15649.39  ->  -15622.79 
## -15599.96  ->  -15591.42 
## -15639.68  ->  -15622.68 
## -15617.86  ->  -15606.14 
## -15628  ->  -15617.19 
## -15633.57  ->  -15625.19 
## -15642.15  ->  -15634.98 
## -15638.1  ->  -15623.08 
## -15632.1  ->  -15621.52 
## -15638.83  ->  -15631.93 
## -15630.48  ->  -15630.46 
## -15634.18  ->  -15633.14 
## -15641.04  ->  -15626.61 
## -15629.95  ->  -15619.06 
## -15646.94  ->  -15628.91 
## -15647.33  ->  -15627.2 
## -15615.25  ->  -15611.91 
## -15634.91  ->  -15627.5 
## -15601.7  ->  -15595.55 
## -15652.28  ->  -15631.5 
## optimize edge weights:  -15503.49 --> -15469.37 
##  optimize topology:  -15639.68 --> -15469.37 
## -15469.37  ->  -15468.13 
## -15469.27  ->  -15468.86 
## -15469.19  ->  -15468.79 
## -15468.9  ->  -15468.24 
## -15465.93  ->  -15460.99 
## -15469.37  ->  -15454.11 
## -15469.37  ->  -15468.33 
## -15469.09  ->  -15468.94 
## -15458.09  ->  -15426.48 
## -15469.37  ->  -15463.96 
## -15469.37  ->  -15466.68 
## -15469.37  ->  -15464.73 
## -15459.17  ->  -15453.26 
## optimize edge weights:  -15395.2 --> -15394.45 
##  optimize topology:  -15469.37 --> -15394.45 
## -15394.45  ->  -15392.88 
## -15394.36  ->  -15394.32 
## -15394.01  ->  -15393.7 
## -15393.89  ->  -15393.09 
## -15394.45  ->  -15385.45 
## -15390.55  ->  -15370.76 
## -15393.96  ->  -15393.02 
## -15394.45  ->  -15384.23 
## -15394.45  ->  -15393.18 
## -15394.45  ->  -15391.66 
## -15394.45  ->  -15389.75 
## optimize edge weights:  -15360.41 --> -15360.28 
##  optimize topology:  -15394.45 --> -15360.28 
## -15360.28  ->  -15359.01 
## -15360.28  ->  -15350.16 
## -15360.28  ->  -15358.94 
## -15360.28  ->  -15357.16 
## -15360.28  ->  -15355.75 
## -15360.11  ->  -15360.01 
## -15359.87  ->  -15359.74 
## optimize edge weights:  -15349.24 --> -15348.93 
##  optimize topology:  -15360.28 --> -15348.93 
## -15348.93  ->  -15346.65 
## -15348.93  ->  -15345.57 
## -15348.93  ->  -15348.66 
## -15348.93  ->  -15348.3 
## optimize edge weights:  -15344.91 --> -15344.79 
##  optimize topology:  -15348.93 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  15 
## [1] "Ratchet iteration  21 , best pscore so far: -15344.7896495107"
## -15731.71  ->  -15726.85 
## -15740.65  ->  -15729.81 
## -15716.68  ->  -15716.67 
## -15739.71  ->  -15725.76 
## -15736.36  ->  -15728.34 
## -15734.75  ->  -15728.86 
## -15734.04  ->  -15731.7 
## -15736.44  ->  -15732.87 
## -15734.81  ->  -15731.06 
## -15711.22  ->  -15711.22 
## -15733.64  ->  -15727.93 
## -15738.32  ->  -15728.28 
## -15745.15  ->  -15730.6 
## -15678.87  ->  -15678.86 
## -15743.9  ->  -15718.06 
## -15730.48  ->  -15728.06 
## -15735.02  ->  -15732.97 
## -15719.72  ->  -15715.5 
## -15730.74  ->  -15728.93 
## -15732.23  ->  -15731.11 
## -15723.2  ->  -15721.41 
## -15736.28  ->  -15728.94 
## -15731.19  ->  -15724.77 
## -15736.63  ->  -15728 
## -15720.12  ->  -15715.21 
## -15739.86  ->  -15723.68 
## -15739.72  ->  -15722.74 
## -15739.83  ->  -15722.74 
## -15691.68  ->  -15691.27 
## -15733.12  ->  -15716.39 
## -15737.24  ->  -15731.17 
## -15734.47  ->  -15730.25 
## -15713.01  ->  -15696.71 
## -15718.49  ->  -15695.75 
## -15724.56  ->  -15662.66 
## -15721.47  ->  -15663.63 
## -15730.5  ->  -15668.24 
## -15731.2  ->  -15676.63 
## -15729.53  ->  -15729.31 
## -15729.91  ->  -15729.71 
## optimize edge weights:  -15504.89 --> -15462.45 
##  optimize topology:  -15733.14 --> -15462.45 
## -15461.39  ->  -15459.41 
## -15461.39  ->  -15458.79 
## -15461.62  ->  -15460.6 
## -15460.89  ->  -15460.46 
## -15460.87  ->  -15460.25 
## -15462.45  ->  -15458.87 
## -15458.34  ->  -15450.56 
## -15462.45  ->  -15455.67 
## -15462.45  ->  -15457.13 
## -15460.35  ->  -15398.62 
## -15462.92  ->  -15460.98 
## optimize edge weights:  -15382.66 --> -15382.11 
##  optimize topology:  -15462.45 --> -15382.11 
## -15382.99  ->  -15382.1 
## -15379.55  ->  -15373.42 
## -15380.86  ->  -15379.35 
## -15379.48  ->  -15377.7 
## -15380.58  ->  -15379.99 
## -15382.11  ->  -15380.11 
## -15382.11  ->  -15382.11 
## -15382.11  ->  -15371.25 
## -15382.11  ->  -15375.66 
## -15379.81  ->  -15378.97 
## optimize edge weights:  -15360.92 --> -15360.45 
##  optimize topology:  -15382.11 --> -15360.45 
## -15355.07  ->  -15350.64 
## -15360.46  ->  -15360.39 
## -15360.45  ->  -15358.38 
## -15360.45  ->  -15360.45 
## -15357.85  ->  -15356.99 
## optimize edge weights:  -15347.17 --> -15346.95 
##  optimize topology:  -15360.45 --> -15346.95 
## -15346.56  ->  -15346.5 
## -15346.95  ->  -15345.32 
## -15346.95  ->  -15346.81 
## optimize edge weights:  -15344.83 --> -15344.79 
##  optimize topology:  -15346.95 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  18 
## [1] "Ratchet iteration  22 , best pscore so far: -15344.7896495107"
## -16218.65  ->  -16212.64 
## -16218.67  ->  -16213.57 
## -16207.68  ->  -16198.97 
## -16183.12  ->  -16178.9 
## -16242.09  ->  -16201.28 
## -16242.74  ->  -16201.28 
## -16232.23  ->  -16218.72 
## -16222.02  ->  -16193.57 
## -16201.12  ->  -16189.25 
## -16212.95  ->  -16199.63 
## -16215.66  ->  -16204.09 
## -16172.98  ->  -16164.07 
## -16216.97  ->  -16191.06 
## -16233.66  ->  -16211.72 
## -16238.38  ->  -16211.66 
## -16239.86  ->  -16211.55 
## -16235.17  ->  -16210.24 
## -16196.07  ->  -16180.54 
## -16216.68  ->  -16204.07 
## -16225.59  ->  -16203.81 
## -16225.53  ->  -16203.81 
## -16187.08  ->  -16180.79 
## -16219.11  ->  -16197.35 
## -16186.05  ->  -16170.99 
## -16218.94  ->  -16197.3 
## -16225.41  ->  -16208.62 
## -16224.53  ->  -16208.26 
## -16203.82  ->  -16202.93 
## -16208.25  ->  -16204.74 
## -16235.46  ->  -16192.17 
## -16241.71  ->  -16194.65 
## -16272.24  ->  -16198.31 
## -16282.63  ->  -16198.31 
## -15981.47  ->  -15981.46 
## -16239.6  ->  -16120.57 
## -16248.34  ->  -16187.19 
## -16240.25  ->  -16185.62 
## -16217.35  ->  -16115.17 
## -16213.53  ->  -16128.25 
## -16246.68  ->  -16150.53 
## -16231.68  ->  -16142.99 
## -16227.12  ->  -16167.28 
## -16228.23  ->  -16167.28 
## -16191.82  ->  -16114.34 
## -16236.13  ->  -16148.76 
## -16231.68  ->  -16189.47 
## -16248.43  ->  -16191.87 
## -16239.48  ->  -16204.48 
## -16236.34  ->  -16203.72 
## optimize edge weights:  -15758.02 --> -15645.19 
##  optimize topology:  -16218.85 --> -15645.19 
## -15644.21  ->  -15643.98 
## -15644.83  ->  -15644.76 
## -15633.1  ->  -15616.82 
## -15635.74  ->  -15613.87 
## -15643.55  ->  -15639.25 
## -15644.16  ->  -15640.32 
## -15644.23  ->  -15643.59 
## -15645.19  ->  -15624.75 
## -15645.19  ->  -15644.85 
## -15645.19  ->  -15613.03 
## -15639.63  ->  -15636.9 
## -15642.19  ->  -15630.24 
## -15644.21  ->  -15643.29 
## optimize edge weights:  -15560.22 --> -15559.08 
##  optimize topology:  -15645.19 --> -15559.08 
## -15557.36  ->  -15556.91 
## -15542.89  ->  -15527.09 
## -15558.29  ->  -15557.84 
## -15558.08  ->  -15557.38 
## -15559.08  ->  -15536.31 
## -15559.08  ->  -15558.89 
## -15555.76  ->  -15551.19 
## -15558.11  ->  -15556.41 
## -15559.46  ->  -15557.42 
## optimize edge weights:  -15502.95 --> -15500.24 
##  optimize topology:  -15559.08 --> -15500.24 
## -15495.87  ->  -15494.01 
## -15500.24  ->  -15486.5 
## -15500.24  ->  -15497.02 
## -15500.82  ->  -15499.51 
## -15499.25  ->  -15498.07 
## -15500.31  ->  -15500.13 
## -15500.22  ->  -15500.18 
## -15498.21  ->  -15469.79 
## optimize edge weights:  -15456.29 --> -15455.91 
##  optimize topology:  -15500.24 --> -15455.91 
## -15451.46  ->  -15449.54 
## -15455.91  ->  -15357.39 
## -15455.37  ->  -15454.54 
## optimize edge weights:  -15349.93 --> -15348.44 
##  optimize topology:  -15455.91 --> -15348.44 
## -15347.55  ->  -15344.91 
## optimize edge weights:  -15344.91 --> -15344.79 
##  optimize topology:  -15348.44 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  18 
## [1] "Ratchet iteration  23 , best pscore so far: -15344.7896495107"
## -15762.13  ->  -15752.85 
## -15749.67  ->  -15744.45 
## -15779.41  ->  -15763.9 
## -15779.36  ->  -15763.9 
## -15769.46  ->  -15755.31 
## -15767.03  ->  -15755.05 
## -15769.4  ->  -15751.46 
## -15759.75  ->  -15740.14 
## -15765.91  ->  -15741 
## -15759.07  ->  -15735.87 
## -15744.93  ->  -15728.25 
## -15765.91  ->  -15740.47 
## -15766.9  ->  -15749.96 
## -15757.51  ->  -15739.35 
## -15765.76  ->  -15746.25 
## -15749.5  ->  -15729.76 
## -15720.45  ->  -15715.65 
## -15767.88  ->  -15744.08 
## -15742.29  ->  -15733.34 
## -15767.3  ->  -15747 
## -15780.62  ->  -15762.54 
## -15782.54  ->  -15762.58 
## -15776.36  ->  -15757.54 
## -15780.08  ->  -15757.64 
## -15740.55  ->  -15716.65 
## -15767.82  ->  -15744.27 
## -15779.81  ->  -15765.14 
## -15796.7  ->  -15767.41 
## -15781.04  ->  -15765.9 
## -15782.87  ->  -15764.58 
## -15763.47  ->  -15758.97 
## -15764.72  ->  -15756.84 
## -15761.83  ->  -15757.22 
## -15766.91  ->  -15762.24 
## -15755.82  ->  -15754.58 
## -15769.69  ->  -15767.21 
## -15769.1  ->  -15766.97 
## -15778.55  ->  -15764.91 
## -15774.91  ->  -15760.04 
## -15708.43  ->  -15707.99 
## -15771.09  ->  -15752.9 
## -15763.25  ->  -15763.25 
## optimize edge weights:  -15598.78 --> -15550.45 
##  optimize topology:  -15768.03 --> -15550.45 
## -15550.45  ->  -15545.38 
## -15550.45  ->  -15549.37 
## -15550.32  ->  -15549.87 
## -15547.94  ->  -15544.78 
## -15543.18  ->  -15538.98 
## -15540.71  ->  -15536.09 
## -15550.45  ->  -15545.03 
## -15550.45  ->  -15550.45 
## -15550.45  ->  -15534.34 
## -15550.45  ->  -15550.45 
## -15549.69  ->  -15548.02 
## -15549.06  ->  -15546.62 
## -15550.02  ->  -15549.11 
## -15549.78  ->  -15549.54 
## -15549.24  ->  -15548.96 
## -15548.3  ->  -15548.24 
## -15544.28  ->  -15543.81 
## optimize edge weights:  -15499.43 --> -15493.08 
##  optimize topology:  -15550.45 --> -15493.08 
## -15491.69  ->  -15484.85 
## -15480.85  ->  -15457.67 
## -15492.22  ->  -15490.19 
## -15491.45  ->  -15489.1 
## -15494.39  ->  -15492.87 
## -15483.34  ->  -15477.08 
## -15493.06  ->  -15492.95 
## -15492.33  ->  -15492.31 
## -15493.08  ->  -15456.79 
## optimize edge weights:  -15405.36 --> -15404.67 
##  optimize topology:  -15493.08 --> -15404.67 
## -15404.57  ->  -15397.14 
## -15395.91  ->  -15393.73 
## -15403.91  ->  -15401.64 
## -15403.24  ->  -15400.39 
## -15405.85  ->  -15403.5 
## -15402.57  ->  -15402.42 
## -15404.41  ->  -15404.29 
## -15404.67  ->  -15395.6 
## optimize edge weights:  -15380.96 --> -15380.73 
##  optimize topology:  -15404.67 --> -15380.73 
## -15378.72  ->  -15372.51 
## -15379.53  ->  -15379.22 
## -15378.58  ->  -15371.96 
## -15378.3  ->  -15377.7 
## -15378.71  ->  -15378.58 
## optimize edge weights:  -15368.38 --> -15368.24 
##  optimize topology:  -15380.73 --> -15368.24 
## -15360.99  ->  -15345.25 
## optimize edge weights:  -15345.25 --> -15344.79 
##  optimize topology:  -15368.24 --> -15344.79 
## optimize edge weights:  -15344.79 --> -15344.79 
##  optimize topology:  -15344.79 --> -15344.79 
## NNI moves:  21 
## [1] "Ratchet iteration  24 , best pscore so far: -15344.7896495107"
## optimize base frequencies:  -15344.79 --> -15344.73 
## optimize rate matrix:  -15344.73 --> -15344.7 
## optimize edge weights:  -15344.7 --> -15344.7 
##  optimize topology:  -15344.7 --> -15344.7 
## NNI moves:  0 
## optimize base frequencies:  -15344.7 --> -15344.69 
## optimize rate matrix:  -15344.69 --> -15344.69 
## optimize edge weights:  -15344.69 --> -15344.69 
## optimize base frequencies:  -15344.69 --> -15344.69 
## optimize rate matrix:  -15344.69 --> -15344.69 
## optimize edge weights:  -15344.69 --> -15344.69 
## optimize base frequencies:  -15344.69 --> -15344.69 
## optimize rate matrix:  -15344.69 --> -15344.69 
## optimize edge weights:  -15344.69 --> -15344.69 
## optimize base frequencies:  -15344.69 --> -15344.69 
## optimize rate matrix:  -15344.69 --> -15344.69 
## optimize edge weights:  -15344.69 --> -15344.69 
## optimize base frequencies:  -15344.69 --> -15344.69 
## optimize rate matrix:  -15344.69 --> -15344.69 
## optimize edge weights:  -15344.69 --> -15344.69

When the analysis finishes, get the loglikelihood of the tree by typing:

logLik(fitGTR)
## 'log Lik.' -15344.69 (df=85)

Is this log likelihood higher or lower than the log likelihood of the NJ analysis? How does it compare to the log likelihood of the JC analysis?

Look at the tree topology by typing:

plot(fitGTR)

Is this tree different from the one using the JC model?

Save the tree as a pdf if you want. Write the tree to a file by typing:

write.tree(fitGTR$tree,file="fitGTR")

Maximum parsimony

Another method for constructing trees is maximum parsimony. In this case, the MP approach looks to minimize the number of changes in character states between branches. This contrasts to ML that looks to find the tree with the highest probability of each character state in their respective positions in the tree. Let’s see how we can implement MP in R using phangorn and ape.

Like before, it is best to start with an existing model to optimize. We can use the NJ tree we made above (mammals_NJ). Now, let’s determine the parsimony score for this tree.

parsimony(mammals_NJ, mammals_phyDat)
## [1] 3165

Similar to ML, we can perform an optimization of the tree except optimizing for parsimony.

fitNJ_MP <- optim.parsimony(mammals_NJ, mammals_phyDat, perturbation="stochastic")
## Final p-score 3119 after  5 nni operations

Let’s see what we’ve got!

plot(fitNJ_MP)

Boostrapping

Finally, let’s assess the support for a tree using the bootstrap. Here, we’ll examine the ML tree we produced, above. Run the bootstrap analysis using the command below. We are setting the number of iterations to 10. Typically, you would set this value much higher to produce more accurate branch support estimates. If you are using the RStudio server, be aware this process will take some time to execute when you choose a much larger bootstrap value (bs).

bs<-bootstrap.pml(fitGTR, bs=10, optNni=TRUE, multicore=TRUE, control=pml.control(trace=0))

Then summarize all the bootstrap trees with:

plotBS((fitGTR$tree),bs,p=50,type="p")

Save this tree as a pdf.


Question 4: Which branches are poorly supported? Which ones are strongly supported? How do the poorly supported branches relate to branches that vary among the NJ and ML trees?


Write the set of bootstrap trees to a file using write.tree:

write.tree(bs,file="bootstrap.GTR.tree")