# Load Dataset

setwd("C:/Users/tarss/Desktop/Ciencia de dados/Trabalho DQO_DBO")

dataset <- read_excel("Dados Brutos.xls", 
                      sheet = "A")


dataset
## # A tibble: 1,430 x 15
##    Datein              `FR(m3/dia)` `BODin (ppm)` `CODin (ppm)` `SSin(ppm)`
##    <dttm>                     <dbl>         <dbl>         <dbl>       <dbl>
##  1 1996-09-01 00:00:00        79757           236           465          NA
##  2 1996-09-02 00:00:00        78818           270           483          NA
##  3 1996-09-03 00:00:00        82039           292           571          NA
##  4 1996-09-04 00:00:00        79501           264           461          NA
##  5 1996-09-05 00:00:00        82461           299           471         181
##  6 1996-09-06 00:00:00        77323           235           353          NA
##  7 1996-09-07 00:00:00        79129           247           391          NA
##  8 1996-09-08 00:00:00        78475           255           472          NA
##  9 1996-09-09 00:00:00        81565           267           473          NA
## 10 1996-09-10 00:00:00        82320           283           472          NA
## # ... with 1,420 more rows, and 10 more variables: pHin <dbl>,
## #   `NAmin(ppm)` <dbl>, `NNin (ppm)` <dbl>, `Pin (ppm)` <dbl>,
## #   `Colin(ppm)` <dbl>, `Tin(°C)` <dbl>, `Condin L1` <dbl>,
## #   `RF(mm)` <dbl>, `Pulp(ton/dia)` <dbl>, `Pap (ton/dia)` <dbl>
dataout <- read_excel("Dados Brutos.xls", 
                      sheet = "B")

dataout
## # A tibble: 1,535 x 8
##    Dateout             `BODout(ppm)` `CODout (ppm)` `SSout(ppm)`
##    <dttm>                      <dbl>          <dbl>        <dbl>
##  1 1996-09-03 00:00:00            74            245           NA
##  2 1996-09-04 00:00:00            88            237           NA
##  3 1996-09-05 00:00:00            67            221           37
##  4 1996-09-06 00:00:00            44            148           NA
##  5 1996-09-07 00:00:00            46            187           NA
##  6 1996-09-08 00:00:00            53            232           NA
##  7 1996-09-09 00:00:00            62            219           NA
##  8 1996-09-10 00:00:00            64            204           NA
##  9 1996-09-11 00:00:00            68            200           NA
## 10 1996-09-12 00:00:00            62            199           31
## # ... with 1,525 more rows, and 4 more variables: `Colout(ppm)` <dbl>,
## #   `Tout(°C)` <dbl>, Condout <dbl>, `FRout(m3/dia)` <dbl>

Introdução

Primeiro, iremos remover as variáveis que possuem menos de 300 observações, uma vez que nosso intuito não é preencher dados faltantes.

map_dbl(dataset, ~sum(is.na(.)))
##        Datein    FR(m3/dia)   BODin (ppm)   CODin (ppm)     SSin(ppm) 
##             0             0            89            89           862 
##          pHin    NAmin(ppm)    NNin (ppm)     Pin (ppm)    Colin(ppm) 
##            53           770          1151          1170            51 
##       Tin(°C)     Condin L1        RF(mm) Pulp(ton/dia) Pap (ton/dia) 
##           467            56           255           103            92
y <- dataout %>% 
  select(1:2) %>% 
  mutate(id = seq(1:nrow(dataout))) %>% 
  dplyr::slice(1:1430)

x <- dataset %>% 
  mutate(id = seq(1:nrow(dataset))) %>% 
  left_join(y) %>% 
  select(c('FR(m3/dia)', 'BODin (ppm)', 'CODin (ppm)', 'pHin',
           'Colin(ppm)', 'RF(mm)', 'Pulp(ton/dia)', 
           'Pap (ton/dia)', `BODout(ppm)`, Datein)) %>% 
  na.omit() %>% 
  as.data.frame()
## Joining, by = "id"
DT::datatable(x)

Random Forest

Serão testados modelos de árvores de decisões, mais especificamente, random forest. O trabalho se dá em três etapas principais:

1 - Agrupamento dos dados utilizando da random forest não supervisionada (variando o número de agrupamentos);

2 - Validação e aprendizado do agrupamento acima, utilizando como label o agrupamento sugerido anteriormente (variando o mtry)

3 - Cruzamento com a variável Dbo de saída, considerando como tempo de detenção 2 dias. Desejamos aqui que o número de grupos e os parâmetros da random forest sejam escolhidos de forma a criar grupos, com maior nível de pureza possível, e que distinguam de forma satisfatória os níveis de DBO de saida.

Random Forest

comp <- matrix(ncol = 4, nrow = 4)

for(n in 2:5){ 
  
## Random Forest não supervisionada 

  
clust <- rf.unsupervised(x[,-c(9:10)], n=n, proximity = TRUE)

for(m in 2:5){ 
  
new_x <- cbind(x, clust$k)  

## Random Forest supervisionada 

{set.seed(3)

mtry = m
  
control <- trainControl(method="repeatedcv", number=10, repeats=3)

tunegrid <- expand.grid(.mtry=mtry)

g_new <- train(x=new_x[,-c(9:11)], 
                      y=as.factor(new_x[,c(11)]), 
               method="rf", 
               trControl=control,
               tuneGrid=tunegrid) 

g_new


prob <- predict(g_new, new_x[,-c(9:11)], type="raw")

aux <- table(prob)

aux

}
}
}

Cruzando com DBO out

ind <- new_x$`BODout(ppm)`

dbo_out <- cbind(prob,ind) %>% 
  as.tibble() %>% 
  dplyr::arrange() %>% 
  mutate(dbo_class = 0 )

# Criando n grupos sequenciados do menor para o maior e com números de elementos igual a proporção de classificação

if(n == 2){
  
  dbo_out <- dbo_out %>% 
    mutate(dbo_class = c(rep(1,aux[1]), rep(2, aux[2])))
 
  }else if (n == 3) {
  
  dbo_out <- dbo_out %>% 
    mutate(dbo_class = c(rep(1,aux[1]), rep(2, aux[2]),rep(3, aux[3])))

  }else if (n == 4) {
    
    
  dbo_out <- dbo_out %>% 
      mutate(dbo_class = c(rep(1,aux[1]), rep(2, aux[2]),rep(3, aux[3]), rep(4, aux[4]))) 
  
  }else{ 
    
    dbo_out <- dbo_out %>% 
      mutate(dbo_class = c(rep(1,aux[1]), rep(2, aux[2]),rep(3, aux[3]), rep(4, aux[4]),rep(5, aux[5])))
    
    }

colnames(dbo_out) <- c("cluster", 'value', "class")

comparation <- funtimes::purity(as.factor(dbo_out$cluster), as.factor(dbo_out$class))

comp[n-1,m-1] <- comparation$pur

Escolha

Com 2 grupos e mtry = 2, obtemos o melhor agrupamento, logo, iremos visualizar o efeito desta divisão nos dados:

Refazendo o modelo

clust <- rf.unsupervised(x[,-c(9:10)], n=2, proximity = TRUE, mtry = 2)

x <- cbind(x, clust$k)

Histograma da DBO de saida

x
##     FR(m3/dia) BODin (ppm) CODin (ppm)   pHin Colin(ppm) RF(mm)
## 1        79757      236.00         465  6.650        356    4.8
## 2        78818      270.00         483  6.040        433    1.5
## 3        82039      292.00         571  5.390        287   39.7
## 4        79501      264.00         461  5.920        406    0.8
## 5        82461      299.00         471  6.110        406   26.1
## 6        79129      247.00         391  6.170        318    3.0
## 7        78475      255.00         472  6.630        318   46.2
## 8        81565      267.00         473  6.820        384   22.6
## 9        82320      283.00         472  9.350        405   29.8
## 10       82851      286.00         464  6.340        288   12.0
## 11       80165      282.00         471  7.130        411    5.9
## 12       81841      259.00         442  4.700        353    6.3
## 13       81759      148.00         353  6.530        327   16.9
## 14       83349      204.00         377  6.510        421   36.4
## 15       74332      191.00         401  6.640        350   12.0
## 16       68233      225.00         495  7.150        529    0.2
## 17       83472      198.00         389  7.120        408    4.3
## 18       79695      216.00         414  6.710        353    7.6
## 19       83836      264.00         442  6.770        354    0.4
## 20       84495      202.00         366  6.560        318   28.6
## 21       77166      174.00         322  6.590        279   12.8
## 22       78312      173.00         384  7.310        300    3.2
## 23       81608      215.00         387  6.550        388    4.4
## 24       83498      193.00         356  6.140        321    5.5
## 25       85103      183.00         355  6.520        309   43.1
## 26       68859      253.45         505  7.410        448    0.6
## 27       81353      198.65         397  6.920        381    0.5
## 28       80499      221.94         492  7.170        638    0.4
## 29       78627      156.18         508  7.250        484    5.1
## 30       80700      164.40         497  7.490        395   44.2
## 31       51403      135.63         340 11.300        458    0.2
## 32       52181      169.00         424 12.300        841    0.3
## 33       73911      227.00         525  6.960        416    3.7
## 34       82495      196.00         455  7.010        420    0.1
## 35       83405      196.00         468  5.990        450    0.5
## 36       84491      206.00         442  6.610        351    5.8
## 37       78033      212.00         428  6.860        349    0.6
## 38       81233      156.00         475  6.700        271    1.3
## 39       84385      190.00         402  6.830        382   31.8
## 40       80127      193.00         482  9.560        519    0.1
## 41       80916      196.00         498  6.520        330    3.3
## 42       80007      197.00         484  6.320        426    2.5
## 43       79856      239.00         450  6.200        394    0.1
## 44       77578      220.00         534  5.830        521    8.5
## 45       75789      194.00         479  5.810        494    1.3
## 46       77473      241.00         535  5.730        522    0.3
## 47       79496      230.00         552  6.440        582   13.6
## 48       77131      311.00         572 11.700        489    6.7
## 49       74937      295.00         600 10.830        523    0.7
## 50       73775      227.00         564  6.240        388    2.5
## 51       76007      239.00         533  6.930        486   19.1
## 52       69456      245.00         472  7.410        416    0.1
## 53       73982      236.00         474  6.800        436    2.3
## 54       75211      227.00         495  8.960        464    0.1
## 55       78518      307.00         566 11.850        455    0.1
## 56       74988      275.00         532  6.570        517    0.1
## 57       55111      178.00         427 11.500        530    0.1
## 58       72561      225.00         463 10.150        457    0.1
## 59       77299      215.00         540  6.990        443    9.0
## 60       81271      283.00         559  7.090        405   21.8
## 61       75125      271.00         493  7.150        472    0.1
## 62       77024      324.00         593 11.390        455    1.3
## 63       74482      308.00         589  7.540        474   13.7
## 64       81387      322.00         602  7.150        576   57.4
## 65       76675      325.00         562  7.100        505    0.4
## 66       74677      261.00         484  7.050        478    0.1
## 67       58288      272.00         490  6.850        433    0.2
## 68       73238      294.00         544 11.320        474    5.4
## 69       78315      324.00         587  7.350        549    9.9
## 70       76282      238.00         584  7.110        415    0.3
## 71       78976      274.00         519  7.090        419   24.8
## 72       81440      293.00         520  7.040        441   30.4
## 73       76833      248.00         475  7.080        416    0.1
## 74       74871      268.00         557  6.750        476    0.2
## 75       72637      262.00         526  6.950        309   32.2
## 76       61094      195.00         375  7.410        311    0.1
## 77       67517      234.00         431  7.000        358    0.1
## 78       74560      255.00         494  7.110        397    0.1
## 79       76535      256.00         499  6.840        382    0.1
## 80       69101      244.00         535  6.490        450    0.2
## 81       77731      279.00         562  6.790        480    0.1
## 82       77206      255.00         540  6.400        368    8.0
## 83       78691      229.00         553  6.110        353    7.9
## 84       79807      250.00         519  6.820        408    0.1
## 85       81044      174.00         471  6.560        348    0.1
## 86       77272      280.00         588  6.530        470    0.1
## 87       75834      298.00         588 11.260        595    0.1
## 88       76066      273.00         532  8.420        522    0.1
## 89       78189      257.00         495  6.960        401   29.0
## 90       77049      249.00         502  7.080        479    0.1
## 91       77311      320.00         531  6.690        551    0.1
## 92       74838      291.00         576 11.610        536    0.1
## 93       78495      277.00         633  8.040        385    0.1
## 94       74696      293.00         572  7.020        500    0.1
## 95       80456      283.00         536  7.070        403    0.1
## 96       75635      297.00         513  7.050        387    0.1
## 97       73482      279.00         497  7.030        381    0.1
## 98       76790      228.00         614  7.060        700    0.1
## 99       49804      264.00         446  7.350        435    2.0
## 100      68602      191.00         504  6.920        481    0.1
## 101      72658      252.00         518  7.250        545    1.4
## 102      71898      344.00         725  7.110        530   20.5
## 103      74303      302.00         591  6.840        643    4.1
## 104      74114      174.00         595  7.550        413    0.1
## 105      75296      263.00         534  7.220        454   15.6
## 106      75169      257.00         504  7.410        479    0.2
## 107      77614      261.00         546  7.170        509    2.8
## 108      80710      281.00         549 10.740        464    1.4
## 109      72621      270.00         476  7.270        413    5.5
## 110      83747      262.00         529  6.460        469    2.3
## 111      82143      300.00         572 10.300        463    8.3
## 112      76558      245.00         479  8.300        396    1.8
## 113      78434      211.00         475  8.010        476   15.7
## 114      74521      223.00         495  7.440        416    2.1
## 115      76849      250.00         593  6.820        481    3.6
## 116      78970      272.00         619  7.590        446    9.5
## 117      76570      274.00         572  9.310        399    0.1
## 118      84008      243.00         483  7.310        356    1.9
## 119      78369      228.00         534  9.970        453   10.7
## 120      81904      228.00         552  7.460        449    0.8
## 121      78901      193.00         511  7.000        429    6.1
## 122      67524      268.00         561  7.090        508    2.7
## 123      78567      194.00         471  7.420        391    0.2
## 124      82772      255.00         586  7.090        485   12.8
## 125      82156      294.00         601  8.760        483   16.4
## 126      82254      252.00         512  7.260        450   21.8
## 127      80374      232.00         526  7.530        350   13.3
## 128      78149      217.00         475  6.970        392    9.4
## 129      78917      223.00         510  6.890        388   18.1
## 130      78510      217.00         509  7.050        437    0.1
## 131      79744      239.00         503  6.850        426   12.3
## 132      78828      281.00         562 10.460        482   17.9
## 133      80133      238.00         531  7.470        365   25.9
## 134      76139      236.00         540  8.890        489    3.5
## 135      69213      223.00         468 12.270        312    6.4
## 136      77177      302.00         596  8.200        578   16.8
## 137      76119      291.00         573  9.770        546    1.5
## 138      77032      198.00         494  7.350        403    5.2
## 139      75826      201.00         469  7.150        441    0.5
## 140      78499      271.00         585  9.690        493    6.9
## 141      79396      215.00         527  6.340        433   11.4
## 142      74749      231.00         509  7.280        483    0.2
## 143      82602      258.00         508  7.140        400    9.5
## 144      85009      285.00         517  7.230        595   20.1
## 145      84430      246.00         472  7.180        570    0.3
## 146      76750      249.00         465  9.130        333    0.0
## 147      79839      226.00         503  7.120        452    0.0
## 148      79801      231.00         538  7.180        424    0.0
## 149      80125      224.00         528  9.630        446    4.2
## 150      81130      232.00         485  7.380        436   19.2
## 151      78173      242.00         484  7.420        533    3.8
## 152      76940      226.00         507  7.380        425    6.6
## 153      74894      249.00         601  7.720        489    0.0
## 154      76576      258.00         518  7.490        489    0.0
## 155      79305      218.00         479  7.400        374   14.7
## 156      78406      252.00         506  7.920        348    1.0
## 157      80523      223.00         487  7.230        495    4.6
## 158      79456      214.00         489  7.010        480    0.0
## 159      81363      230.00         491  7.310        403   23.6
## 160      79113      237.00         507  7.320        422    4.7
## 161      80044      289.00         623  7.410        438    4.3
## 162      81196      240.00         454  7.510        368    0.0
## 163      80216      228.00         461  7.340        416    0.0
## 164      83026      240.00         499  9.310        417    0.0
## 165      80118      223.00         489  7.480        464    0.0
## 166      82632      250.00         458  7.230        397    8.1
## 167      83201      225.00         455  7.200        401    0.0
## 168      83686      295.00         498  7.340        429   21.1
## 169      81324      254.00         479  9.380        450   10.0
## 170      82016      254.00         446  8.280        510    0.0
## 171      83710      207.00         500  6.980        489    0.4
## 172      78109      251.00         516 10.350        430    0.0
## 173      78922      251.00         488  7.510        497    0.1
## 174      79898      192.00         494  6.790        430   10.0
## 175      80808      325.00         499  6.840        474    0.0
## 176      80500      246.00         517 11.290        420    0.0
## 177      82925      258.00         514  9.020        403   17.6
## 178      80754      257.00         481  9.370        401    4.2
## 179      81928      275.00         527 11.480        395    0.1
## 180      76215      220.00         504  7.760        408    0.0
## 181      77507      246.00         555  8.200        470   38.1
## 182      79755      278.00         618  9.690        444    0.0
## 183      65507      291.00         621  9.280        559   17.2
## 184      80600      253.00         564 10.440        545    1.7
## 185      81937      266.00         597 10.800        551    0.0
## 186      78894      281.00         642 12.530        530    0.0
## 187      78993      304.00         681 11.560        718    6.7
## 188      78205      308.00         613  9.100        477    0.0
## 189      79303      408.00         711  9.130        570    1.7
## 190      76894      364.00         775  8.100        559    0.0
## 191      76286      312.00         574  7.320        477    0.0
## 192      74411      238.00         526  9.990        624    4.5
## 193      76687      280.00         636  7.930        500   17.3
## 194      78611      305.00         596  7.850        729    9.9
## 195      75750      263.00         549  7.180        644    4.2
## 196      75286      289.00         660  7.400        633   16.1
## 197      75465      278.00         670  6.740        590    5.3
## 198      76651      233.00         593  7.280        648    0.0
## 199      75450      294.00         650  6.680        457    0.2
## 200      77394      284.00         620  6.950        651    0.0
## 201      75745      269.00         605  7.100        613    1.0
## 202      73337      244.00         564  7.050        544    0.0
## 203      75011      261.00         550  8.010        568    0.0
## 204      76674      251.00         559  9.860        589    0.0
## 205      74977      231.00         578  7.610        507    0.0
## 206      74322      248.00         584  7.540        544    0.0
## 207      75619      243.00         594  7.500        638   18.7
## 208      72143      219.00         570  6.550        533    0.0
## 209      73426      253.00         574  7.170        611    0.0
## 210      72181      247.00         607  7.140        676    0.0
## 211      73268      217.00         541  6.940        464    0.0
## 212      72155      271.00         639  8.240        716    0.0
## 213      71551      235.00         588  9.670        767    0.0
## 214      71859      199.00         582  6.970        569    0.0
## 215      72680      276.00         543  8.590        569   22.9
## 216      72047      246.00         599  7.450        583    0.0
## 217      71385      245.00         568  7.250        583    6.5
## 218      71467      249.00         553  7.480        547    0.0
## 219      71886      230.00         543  7.540        694    0.0
## 220      72181      238.00         526  7.000        550    2.9
## 221      55134      167.00         429  7.820        468    3.3
## 222      48544      174.00         359  9.390        477    2.0
## 223      56479      197.00         437  9.950        591    9.1
## 224      34510      141.00         323  9.150        483    0.0
## 225      48670      183.00         394 10.170        547    0.3
## 226      76133      291.00         573  7.000        664    0.0
## 227      72717      253.00         604  7.090        605    0.0
## 228      72130      269.00         583  7.270        523    0.0
## 229      74597      244.00         578  7.360        528    0.0
## 230      74176      238.00         563  7.530        528    0.0
## 231      72283      303.00         580 11.520        453    1.5
## 232      35742      303.00         610  8.650        473    0.0
## 233      40245      311.00         618  7.230        430   19.2
## 234      29193      278.00         575  7.190        314    0.0
## 235      26127      241.00         514  6.960        466    0.0
## 236      21161      248.00         511  6.900        487    0.0
## 237      74244      307.00         587  7.450        501    0.0
## 238      71759      275.00         518 11.590        419    0.0
## 239      75834      214.00         514  9.480        391    0.0
## 240      77034      263.00         568  7.090        450    0.0
## 241      76244      350.00         526  7.120        401    1.3
## 242      73527      263.00         391  7.180        432    5.2
## 243      71831      277.00         596  7.220        515    0.0
## 244      74557      255.00         560  6.740        550    0.0
## 245      74848      261.00         551  6.460        469    0.4
## 246      76447      241.00         518  6.260        505    5.1
## 247      72810      255.00         549  6.570        516    0.1
## 248      74567      244.00         580  6.600        561    0.8
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## 940      52345      297.00         713  6.930        297    0.0
## 941      53165      269.00         670  6.670        269    0.0
## 942      50033      245.00         675  6.830        245    1.4
## 943      46702      266.00         682  7.110        266    0.2
## 944      56428      297.00         616  6.580        297    0.0
## 945      57732      359.00         772  9.720        359    0.0
## 946      56213      338.00         656  7.910        338    0.0
## 947      56373      281.00         657  6.900        281    0.0
## 948      45581      338.00         684  6.940        338    0.0
## 949      57697      322.00         639  7.270        322    0.0
## 950      56570      351.00         749  7.200        351    0.0
## 951      56789      359.00         777  7.040        359    0.0
## 952      58288      326.00         769 10.820        326    0.0
## 953      59142      412.00         854  9.910        412    0.0
## 954      58169      428.00         924  6.930        428    0.0
## 955      57096      357.00         712  7.280        357    0.0
## 956      56897      292.00         728  7.360        292    0.0
## 957      57336      306.00         864  7.480        306   10.7
## 958      56134      366.00         652  7.760        366   15.7
## 959      51426      346.00         775  9.010        346    0.0
## 960      48168      367.00         762  7.600        367    0.0
## 961      53069      374.00         736  7.330        374    0.2
## 962      54836      350.00         789  7.460        350    0.1
## 963      54445      336.00         881  7.480        336    0.0
## 964      53288      333.00         801  7.540        333    3.1
## 965      57714      339.00         691  7.580        339   24.2
## 966      53996      354.00         804  7.240        354    0.0
## 967      52516      341.00         765  7.090        341    0.1
## 968      53693      358.00         743  7.330        358    0.0
## 969      52215      367.00         751  7.440        367    0.1
## 970      53216      324.00         751  7.380        324    0.0
## 971      51561      344.00         701  7.360        344    0.0
##     Pulp(ton/dia) Pap (ton/dia) BODout(ppm)     Datein clust$k
## 1         878.130         962.1       74.00 1996-09-01       1
## 2         925.600         986.8       88.00 1996-09-02       1
## 3         972.600        1065.0       67.00 1996-09-03       1
## 4         744.481         879.7       44.00 1996-09-04       1
## 5         891.033         985.8       46.00 1996-09-05       1
## 6         848.071        1064.2       62.00 1996-09-07       1
## 7         964.139        1077.1       64.00 1996-09-08       1
## 8         736.316        1004.4       68.00 1996-09-09       1
## 9         944.266        1003.8       62.00 1996-09-10       1
## 10        837.711        1036.6       94.00 1996-09-11       1
## 11        939.255        1033.8       46.00 1996-09-17       1
## 12        966.132        1094.1       32.00 1996-09-25       1
## 13        878.234        1130.5       46.00 1996-10-06       1
## 14        780.799        1044.6       35.00 1996-10-10       1
## 15        706.419         900.3       51.00 1996-10-11       1
## 16        767.999         975.0       59.00 1996-10-12       1
## 17        619.130         907.6       21.00 1996-10-14       1
## 18        892.841        1129.4       42.00 1996-10-20       1
## 19        924.855        1027.7       55.00 1996-10-23       1
## 20        878.478        1028.4       60.00 1996-10-25       1
## 21        939.721        1003.4       36.00 1996-10-26       1
## 22        901.289        1004.7       50.00 1996-10-27       1
## 23        980.327        1039.2       28.00 1996-10-31       1
## 24        990.134        1008.9       30.00 1996-11-02       1
## 25        988.797        1049.7       43.00 1996-11-03       1
## 26        770.325        1030.4       33.40 1997-02-05       1
## 27        852.579        1019.3       66.80 1997-02-11       1
## 28        948.669         942.9       28.39 1997-02-13       1
## 29        949.923        1055.2       40.08 1997-02-15       1
## 30        930.756        1091.8       58.45 1997-02-16       1
## 31        900.379        1133.0       18.00 1997-02-18       1
## 32        807.485        1071.8       16.00 1997-02-20       1
## 33        925.831        1067.7       82.00 1997-02-26       1
## 34        939.994         991.7      125.00 1997-03-01       1
## 35       1017.970        1047.4      103.00 1997-03-02       1
## 36       1037.326        1035.2       78.00 1997-03-03       1
## 37        945.854        1053.6       80.00 1997-03-05       1
## 38        652.928        1016.4       92.00 1997-03-07       1
## 39        681.744         988.4       89.00 1997-03-08       1
## 40        886.550         783.5      106.00 1997-03-09       1
## 41        929.574         952.4       45.00 1997-03-14       1
## 42        905.193         998.2       85.00 1997-03-15       1
## 43        967.766        1051.6       77.00 1997-03-16       1
## 44        966.882        1153.5       73.00 1997-03-20       1
## 45        954.731        1029.5       83.00 1997-03-21       1
## 46        932.679        1051.9      135.00 1997-03-30       1
## 47        979.840        1054.2      126.00 1997-03-31       1
## 48        964.119         983.4      118.00 1997-04-01       1
## 49        958.809        1045.5      106.00 1997-04-03       1
## 50        605.819         790.5       75.00 1997-04-04       1
## 51        829.409        1048.4       92.00 1997-04-17       1
## 52        823.910        1106.4       66.00 1997-04-22       1
## 53        807.273         968.2       90.00 1997-04-23       1
## 54        783.602         957.4      103.00 1997-04-24       1
## 55       1014.707         990.8      116.00 1997-05-06       1
## 56        852.487         997.9       84.00 1997-05-11       1
## 57       1025.309         986.8       63.00 1997-05-13       1
## 58        746.538         952.9      106.00 1997-05-19       1
## 59        550.584        1013.2      109.00 1997-05-22       1
## 60        970.866        1082.7       96.00 1997-05-24       1
## 61       1041.182        1068.8       69.00 1997-06-02       1
## 62        993.333        1042.3      115.00 1997-06-03       1
## 63        340.865        1006.0      106.00 1997-06-04       1
## 64        733.588         999.9      111.00 1997-06-05       1
## 65        755.185         762.6      111.00 1997-06-06       1
## 66        868.493         970.0      113.00 1997-06-07       1
## 67        954.922         996.1      104.00 1997-06-10       1
## 68        923.120         993.7      109.00 1997-06-11       1
## 69        861.982        1061.5       86.00 1997-06-12       1
## 70        853.864        1041.4      119.00 1997-06-13       1
## 71        715.983         853.9       99.00 1997-06-14       1
## 72        945.655        1052.8       73.00 1997-06-15       1
## 73        873.500         947.5      106.00 1997-06-16       1
## 74        996.302        1079.6       67.00 1997-06-17       1
## 75        982.862        1127.7       96.00 1997-06-20       1
## 76        995.966        1184.9       63.00 1997-06-21       1
## 77        924.324        1082.5       78.00 1997-06-22       1
## 78        911.565        1039.3       83.00 1997-06-23       1
## 79        522.852        1094.0       76.00 1997-06-24       1
## 80        855.234        1116.1       85.00 1997-06-25       1
## 81        954.650        1043.8       81.00 1997-06-26       1
## 82        978.981        1086.1       90.00 1997-07-02       1
## 83        885.151        1043.9       76.00 1997-07-04       1
## 84        909.498         982.9       90.00 1997-07-05       1
## 85        853.993        1037.1       95.00 1997-07-11       1
## 86        899.206        1075.8       87.00 1997-07-12       1
## 87       1008.524        1124.4      121.00 1997-07-15       1
## 88        946.946        1196.0      100.00 1997-07-17       1
## 89        893.907        1077.6      113.00 1997-07-21       1
## 90        862.266        1042.5      101.00 1997-07-22       1
## 91        939.244        1072.8       98.00 1997-07-23       1
## 92        938.762        1004.2      107.00 1997-07-24       1
## 93        933.354        1060.2      134.00 1997-07-25       1
## 94        867.764         788.0      127.00 1997-07-27       1
## 95        896.637         924.4      132.00 1997-07-28       1
## 96        899.989        1035.4      111.00 1997-07-29       1
## 97        967.835        1072.8      108.00 1997-07-30       1
## 98       1002.852        1071.1      126.00 1997-08-14       1
## 99        -48.000        1034.5       53.00 1997-08-24       1
## 100       823.076         842.8       92.00 1997-09-05       1
## 101       923.742        1012.9      111.00 1997-09-13       1
## 102       830.097         808.3      128.00 1997-09-14       1
## 103       825.157         925.3      135.00 1997-09-15       1
## 104       962.319        1088.6      115.00 1997-09-19       1
## 105       970.721        1147.4       96.00 1997-09-20       1
## 106       948.848        1013.2       96.00 1997-09-25       1
## 107       949.205        1043.7      118.00 1997-09-29       1
## 108       809.110         814.7       94.00 1997-10-01       1
## 109       799.782         992.3       92.00 1997-10-06       1
## 110       945.826        1032.9       92.00 1997-10-15       1
## 111       950.336        1185.1      101.00 1997-10-16       1
## 112       874.417        1090.7       85.00 1997-10-19       1
## 113       802.115        1092.5       89.00 1997-10-20       1
## 114       857.680        1094.5       79.00 1997-10-21       1
## 115       934.827        1014.3      108.00 1997-10-25       1
## 116       938.297        1034.5       96.00 1997-10-26       1
## 117       905.049        1055.1      115.00 1997-10-27       1
## 118       976.480         939.3      113.00 1997-10-31       1
## 119       774.733         905.7      101.00 1997-11-04       1
## 120       981.615        1073.6      104.00 1997-11-06       1
## 121       959.954        1025.9      113.00 1997-11-07       1
## 122       952.479        1018.5       71.00 1997-11-13       1
## 123       937.989        1060.4       79.00 1997-11-14       1
## 124       918.441        1110.9      111.00 1997-11-16       1
## 125       984.475        1022.7      122.00 1997-11-17       1
## 126       978.295        1046.7       98.00 1997-11-18       1
## 127       910.893        1098.4       95.00 1997-11-21       1
## 128       926.852        1010.9       93.00 1997-11-22       1
## 129       918.427        1003.1       82.00 1997-11-24       1
## 130       946.161        1019.8       96.00 1997-11-25       1
## 131       902.372         988.4       83.00 1997-11-26       1
## 132       896.085         902.8       88.00 1997-11-27       1
## 133       877.106         991.2      105.00 1997-11-28       1
## 134       899.569        1046.8       95.00 1997-12-01       1
## 135       369.641         777.4      111.00 1997-12-02       1
## 136       954.002        1092.5      103.00 1997-12-07       1
## 137       926.927        1001.3       99.00 1997-12-08       1
## 138       908.685        1072.1      103.00 1997-12-12       1
## 139       902.737        1114.4       86.00 1997-12-13       1
## 140       915.092        1118.5       86.00 1997-12-15       1
## 141       892.318        1102.5       71.00 1997-12-18       1
## 142       889.461        1082.0       71.00 1997-12-21       1
## 143       976.550        1018.9      109.00 1997-12-25       1
## 144       959.060        1016.7       89.00 1997-12-28       1
## 145       896.468        1012.2      102.00 1997-12-29       1
## 146       760.116        1003.8       91.00 1998-01-02       1
## 147      1002.250        1055.8       91.00 1998-01-04       1
## 148       967.082        1124.7       98.00 1998-01-05       1
## 149       872.459        1049.7       92.00 1998-01-06       1
## 150       925.355        1013.8       82.00 1998-01-07       1
## 151       941.367        1016.3       84.00 1998-01-08       1
## 152       897.207         968.9       95.00 1998-01-09       1
## 153       943.017        1038.9       84.00 1998-01-10       1
## 154       890.807        1055.7       84.00 1998-01-11       1
## 155       923.328        1083.0       91.00 1998-01-12       1
## 156       907.427        1082.3       82.00 1998-01-13       1
## 157       821.441        1028.3       75.00 1998-01-14       1
## 158       917.820        1054.3       91.00 1998-01-15       1
## 159       957.361        1111.6       95.00 1998-01-16       1
## 160       876.930        1109.9       98.00 1998-01-17       1
## 161       895.884        1176.2       96.00 1998-01-18       1
## 162       884.354        1213.5       84.00 1998-01-19       1
## 163       893.032        1088.1       91.00 1998-01-20       1
## 164       843.162         985.9       75.00 1998-01-21       1
## 165       877.489        1071.4       86.00 1998-01-22       1
## 166       870.115        1036.4       96.00 1998-01-23       1
## 167       900.451        1043.9       86.00 1998-01-24       1
## 168       924.235        1056.3       89.00 1998-01-25       1
## 169       879.738        1017.0       89.00 1998-01-26       1
## 170       909.511        1028.4      108.00 1998-01-27       1
## 171       851.867        1070.6      111.00 1998-01-28       1
## 172       951.057         885.9      116.00 1998-01-29       1
## 173       936.345        1021.5      124.00 1998-01-30       1
## 174       826.008        1090.1       98.00 1998-02-01       1
## 175       856.334        1005.6      109.00 1998-02-02       1
## 176       707.958         861.8      106.00 1998-02-03       1
## 177       884.276        1008.2      106.00 1998-02-04       1
## 178       909.227         897.5      123.00 1998-02-05       1
## 179       849.479         888.1      118.00 1998-02-06       1
## 180       799.437         913.5       88.00 1998-02-07       1
## 181       873.707        1030.3      128.00 1998-02-08       1
## 182       894.784        1076.0      115.00 1998-02-09       1
## 183       684.241        1089.3       73.00 1998-02-11       1
## 184      1096.698        1072.4      112.00 1998-02-12       1
## 185       970.175         991.0      115.00 1998-02-13       1
## 186       907.540        1149.7      167.00 1998-02-17       1
## 187       938.978        1043.0      187.00 1998-02-18       1
## 188       940.975         985.7      139.00 1998-02-19       1
## 189       938.526        1015.7      129.00 1998-02-20       1
## 190       923.597        1071.4      102.00 1998-02-21       1
## 191       919.634        1069.0      117.00 1998-02-22       1
## 192       894.517        1122.1      117.00 1998-02-26       1
## 193      1050.315        1113.1      107.00 1998-02-27       1
## 194      1092.834        1103.5      110.00 1998-02-28       1
## 195       831.201        1067.7      138.00 1998-03-02       1
## 196       785.525        1007.9      107.00 1998-03-03       1
## 197       935.817        1077.2       99.00 1998-03-04       1
## 198       903.523        1033.6      100.00 1998-03-05       1
## 199       999.623        1054.8      113.00 1998-03-06       1
## 200       922.321        1008.1      117.00 1998-03-07       1
## 201       935.946        1045.1      107.00 1998-03-08       1
## 202       783.570        1108.5      114.00 1998-03-09       1
## 203       872.868        1064.4       93.00 1998-03-10       1
## 204       862.606        1058.4       99.00 1998-03-11       1
## 205       861.965        1018.5      114.00 1998-03-12       1
## 206       854.395        1024.1      101.00 1998-03-13       1
## 207       903.175        1045.4      102.00 1998-03-14       1
## 208       872.399        1079.4       90.00 1998-03-15       1
## 209       873.063        1116.7      101.00 1998-03-16       1
## 210       884.271        1072.4       83.00 1998-03-17       1
## 211       736.026        1106.7       93.00 1998-03-18       1
## 212       855.873        1209.4       94.00 1998-03-19       1
## 213       847.293        1136.5      101.00 1998-03-20       1
## 214       892.960        1073.6      100.00 1998-03-21       1
## 215       859.654        1026.8       90.00 1998-03-22       1
## 216      1011.711        1005.7       95.00 1998-03-23       1
## 217       889.037        1043.5       84.00 1998-03-24       1
## 218       811.198         983.0       83.00 1998-03-25       1
## 219       888.712         988.4       83.00 1998-03-26       1
## 220       806.797        1021.7       68.00 1998-03-27       1
## 221       225.945        1102.6       48.00 1998-03-28       1
## 222       294.033        1101.4       75.00 1998-03-29       1
## 223       310.837        1098.8       32.00 1998-03-30       1
## 224       126.850        1050.4       28.00 1998-03-31       1
## 225       587.015         977.1       72.00 1998-04-01       1
## 226       896.123         977.9       92.00 1998-04-02       1
## 227       932.833         982.6      132.00 1998-04-03       1
## 228       956.885        1022.4      115.00 1998-04-04       1
## 229       949.587        1049.0      107.00 1998-04-05       1
## 230       964.358        1056.6       90.00 1998-04-06       1
## 231       772.340         736.0       76.00 1998-04-07       1
## 232       844.442         826.8       55.00 1998-04-08       1
## 233       889.177         926.9       46.00 1998-04-09       1
## 234       922.725         947.3       25.00 1998-04-10       1
## 235       947.933         983.7       30.00 1998-04-11       1
## 236       992.129        1042.9       49.00 1998-04-12       1
## 237       951.895        1000.6       82.00 1998-04-13       1
## 238       836.612         762.0      119.00 1998-04-14       1
## 239       920.918         984.2      107.00 1998-04-15       1
## 240      1019.132        1037.6      102.00 1998-04-16       1
## 241       910.880        1027.4       98.00 1998-04-17       1
## 242       981.865        1162.5       91.00 1998-04-18       1
## 243       899.116        1072.7      100.00 1998-04-19       1
## 244       939.301        1070.5       98.00 1998-04-20       1
## 245       944.755        1073.1       80.00 1998-04-21       1
## 246       988.766        1029.3       78.00 1998-04-22       1
## 247      1041.011        1134.0       86.00 1998-04-23       1
## 248       978.301        1020.5       94.00 1998-04-24       1
## 249      1054.100        1151.2       90.00 1998-04-25       1
## 250      1006.214        1145.0      101.00 1998-04-26       1
## 251      1046.033        1099.0      104.00 1998-04-27       1
## 252       794.815        1153.1       85.00 1998-04-29       1
## 253       877.200        1011.7      104.00 1998-05-01       1
## 254       986.404        1052.2       99.00 1998-05-02       1
## 255       954.900        1078.1       80.00 1998-05-03       1
## 256       928.100        1035.1       79.00 1998-05-04       1
## 257       940.827         978.8       85.00 1998-05-05       1
## 258       893.215         963.3       60.00 1998-05-06       1
## 259       874.882        1031.7       88.00 1998-05-07       1
## 260       931.721        1037.3      100.00 1998-05-08       1
## 261       890.983        1025.9       77.00 1998-05-09       1
## 262       915.585         971.0       81.00 1998-05-10       1
## 263       917.968        1068.6       87.00 1998-05-11       1
## 264       887.223        1007.2       73.00 1998-05-12       1
## 265       896.068         916.4       62.00 1998-05-13       1
## 266       865.292        1023.1       73.00 1998-05-15       1
## 267       858.430        1038.7       75.00 1998-05-16       1
## 268       884.542         957.1       65.00 1998-05-17       1
## 269       830.007        1048.6       75.00 1998-05-18       1
## 270       899.809        1057.4       71.00 1998-05-19       1
## 271      1000.791        1083.3       72.00 1998-05-20       1
## 272       830.898        1024.5       85.00 1998-05-22       1
## 273       970.976        1144.3       70.00 1998-05-24       1
## 274      1034.708        1065.9       78.00 1998-05-25       1
## 275       923.336        1035.2       86.00 1998-05-26       1
## 276       786.516        1082.8       76.00 1998-05-27       1
## 277      1051.602        1114.6       73.00 1998-05-28       1
## 278      1037.055        1091.3       84.00 1998-05-29       1
## 279      1056.484        1094.8      106.00 1998-05-30       1
## 280       986.903        1174.5      118.00 1998-05-31       1
## 281       851.099         991.8       97.00 1998-06-01       1
## 282       785.714         901.1       82.00 1998-06-02       1
## 283       812.911        1054.2       98.00 1998-06-04       1
## 284       866.494        1055.3       90.00 1998-06-05       1
## 285       930.190        1058.6       84.00 1998-06-07       1
## 286       868.637        1056.9       90.00 1998-06-08       1
## 287       785.593         895.7       86.00 1998-06-09       1
## 288       928.864        1022.7       85.00 1998-06-10       1
## 289       920.617        1117.9       80.00 1998-06-11       1
## 290       966.222        1100.5       76.00 1998-06-12       1
## 291       859.052        1134.2       85.00 1998-06-13       1
## 292       875.617        1148.2       93.00 1998-06-14       1
## 293       920.317        1147.3       92.00 1998-06-15       1
## 294       912.175        1136.2       85.00 1998-06-16       1
## 295       975.011        1143.8       89.00 1998-06-17       1
## 296       832.584        1115.0       78.00 1998-06-18       1
## 297       894.529        1167.1       82.00 1998-06-19       1
## 298       898.665        1001.2       93.00 1998-06-20       1
## 299       928.965        1006.9       88.00 1998-06-21       1
## 300       930.095        1064.0      100.00 1998-06-22       1
## 301       899.166         925.3       86.00 1998-06-23       1
## 302       951.077        1082.3       89.00 1998-06-24       1
## 303       906.298         945.5       86.00 1998-06-25       1
## 304       962.642        1010.6       88.00 1998-06-26       1
## 305       926.043        1108.4       79.00 1998-06-27       1
## 306       936.810        1065.7       92.00 1998-06-28       1
## 307       879.779         976.6       81.00 1998-06-29       1
## 308       940.005        1068.4       80.00 1998-06-30       1
## 309       841.882        1000.0       77.00 1998-07-01       1
## 310       839.871         980.2       77.00 1998-07-02       1
## 311       912.959        1065.0       80.00 1998-07-03       1
## 312       871.256        1030.6       78.00 1998-07-04       1
## 313       896.392        1100.7       98.00 1998-07-05       1
## 314       873.978        1044.4       81.00 1998-07-06       1
## 315       897.828        1071.7       74.00 1998-07-07       1
## 316       640.802        1005.2       75.00 1998-07-08       1
## 317       897.758        1167.1       81.00 1998-07-09       1
## 318       860.109        1090.2       78.00 1998-07-10       1
## 319       869.928        1073.8       84.00 1998-07-11       1
## 320       624.813         994.8       97.00 1998-07-12       1
## 321       299.012         933.7       90.00 1998-07-13       1
## 322        48.658        1074.6       51.00 1998-07-18       1
## 323       609.422        1089.5      104.00 1998-07-19       1
## 324       915.720        1095.2       95.00 1998-07-20       1
## 325       908.026        1055.5      106.00 1998-07-21       1
## 326       887.396        1085.8      106.00 1998-07-22       1
## 327       838.881        1110.4      102.00 1998-07-23       1
## 328       708.647         912.9       81.00 1998-07-24       1
## 329       947.724        1053.7       88.00 1998-07-25       1
## 330       929.455        1049.6      101.00 1998-07-26       1
## 331       999.219        1056.9       98.00 1998-07-27       1
## 332       989.714        1131.3       81.00 1998-07-28       1
## 333       999.115        1096.1       98.00 1998-07-29       1
## 334      1014.104        1131.7       79.00 1998-07-30       1
## 335       938.009        1049.0       82.00 1998-07-31       1
## 336      1004.052        1123.9       84.00 1998-08-01       1
## 337       987.622        1159.7       95.00 1998-08-02       1
## 338      1013.069        1066.2       87.00 1998-08-03       1
## 339       940.265        1040.6       79.00 1998-08-04       1
## 340       695.469         973.5       88.00 1998-08-05       1
## 341       813.712         985.9       78.00 1998-08-06       1
## 342       964.982        1025.9       77.00 1998-08-07       1
## 343       954.507        1024.1       78.00 1998-08-08       1
## 344       949.266         999.7       78.00 1998-08-09       1
## 345       873.742        1027.4       81.00 1998-08-10       1
## 346       995.497        1119.1       97.00 1998-08-11       1
## 347       967.703        1168.9       70.00 1998-08-12       1
## 348       964.969        1105.6       80.00 1998-08-13       1
## 349       975.761        1154.0       72.00 1998-08-14       1
## 350       930.328        1051.0       85.00 1998-08-15       1
## 351      1008.364        1102.6       74.00 1998-08-16       1
## 352       939.872        1081.5       84.00 1998-08-17       1
## 353       954.733        1095.1       70.00 1998-08-18       1
## 354       957.770        1114.9       65.00 1998-08-19       1
## 355       944.802        1107.1       76.00 1998-08-20       1
## 356       928.065         983.9       90.00 1998-08-21       1
## 357       839.186         989.9       88.00 1998-08-22       1
## 358       925.330        1086.2       87.00 1998-08-23       1
## 359       948.436        1029.9       83.00 1998-08-24       1
## 360       817.969        1043.9       94.00 1998-08-25       1
## 361       917.870        1067.3      109.00 1998-08-26       1
## 362       923.499         983.4      102.00 1998-08-27       1
## 363       949.916        1084.0       84.00 1998-08-28       1
## 364       897.511        1064.3       83.00 1998-08-29       1
## 365       896.691        1066.8       85.00 1998-08-31       1
## 366       743.000        1000.9       87.00 1998-09-01       1
## 367       868.867        1020.9       88.00 1998-09-02       1
## 368       826.326         892.6       97.00 1998-09-03       1
## 369       807.117        1036.9       81.00 1998-09-04       1
## 370       865.768        1051.8       92.00 1998-09-05       1
## 371       925.470        1048.3       98.00 1998-09-07       1
## 372       911.072        1057.8       99.00 1998-09-08       1
## 373       803.777         774.1       96.00 1998-09-09       1
## 374       671.190         906.7       90.00 1998-09-10       1
## 375       848.268         996.6       88.00 1998-09-11       1
## 376       844.685        1050.4      102.00 1998-09-12       1
## 377       759.734        1053.6      121.00 1998-09-13       1
## 378       966.540        1055.7      112.00 1998-09-14       1
## 379       917.521        1054.0       77.00 1998-09-15       1
## 380       418.844        1135.5       54.00 1998-09-16       1
## 381        85.990        1108.6       61.00 1998-09-18       1
## 382       636.871        1099.2       43.00 1998-09-19       1
## 383       888.734        1174.3       49.00 1998-09-20       1
## 384      1072.632        1091.2       57.00 1998-09-21       1
## 385       897.366        1055.0       73.00 1998-09-22       1
## 386       821.207        1106.0       74.00 1998-09-23       1
## 387       980.807        1116.4       87.00 1998-09-24       1
## 388      1089.566        1182.3      100.00 1998-09-26       1
## 389      1078.812        1236.2       96.00 1998-09-27       1
## 390       861.470        1146.8       87.00 1998-09-28       1
## 391       838.756        1063.8       95.00 1998-09-29       1
## 392       914.460        1102.5       96.00 1998-09-30       1
## 393       729.584         927.8      136.00 1998-10-01       1
## 394       893.223        1027.0      115.00 1998-10-02       1
## 395       969.535        1025.3      117.00 1998-10-03       1
## 396       980.510        1058.7       84.00 1998-10-04       1
## 397       937.132         991.2      105.00 1998-10-05       1
## 398       990.058        1077.1      113.00 1998-10-06       1
## 399       978.344         994.7       87.00 1998-10-12       1
## 400       968.522         998.1       80.00 1998-10-13       1
## 401       942.214        1067.6       75.00 1998-10-14       1
## 402      1026.432        1154.8       82.00 1998-10-15       1
## 403       994.056        1201.4       95.00 1998-10-16       1
## 404       896.282        1178.2       89.00 1998-10-17       1
## 405       967.208        1177.2       91.00 1998-10-18       1
## 406       920.581        1108.0       99.00 1998-10-19       1
## 407      1016.477        1130.8       93.00 1998-10-20       1
## 408       883.780        1106.4       90.00 1998-10-21       1
## 409       960.787        1090.1       67.00 1998-10-22       1
## 410       920.828        1081.6       61.00 1998-10-23       1
## 411       119.017        1054.7       74.00 1998-10-24       1
## 412       451.210        1093.3       65.00 1998-10-25       1
## 413       959.353        1024.7       76.00 1998-10-26       1
## 414       982.421        1070.5       87.00 1998-10-27       1
## 415      1022.053        1098.2       88.00 1998-11-02       1
## 416       910.484        1003.1      109.00 1998-11-03       1
## 417       895.379        1001.3       89.00 1998-11-04       1
## 418       596.284         739.9       53.00 1998-11-05       1
## 419       804.861         936.6       88.00 1998-11-06       1
## 420       874.489        1013.1       93.00 1998-11-07       1
## 421       990.577        1036.8      106.00 1998-11-08       1
## 422       977.706        1036.2      104.00 1998-11-09       1
## 423       931.641        1036.9       96.00 1998-11-10       1
## 424       856.254        1067.6       73.00 1998-11-11       1
## 425       826.982        1052.4       64.00 1998-11-13       1
## 426       955.737        1086.4       75.00 1998-11-14       1
## 427       981.728        1093.7      118.00 1998-11-15       1
## 428      1036.135        1124.8      128.00 1998-11-16       1
## 429       894.380        1029.1      119.00 1998-11-17       1
## 430       953.899        1050.4       92.00 1998-11-18       1
## 431       949.241        1036.5      105.00 1998-11-19       1
## 432       999.413        1188.1       94.00 1998-11-20       1
## 433       988.995        1153.2       72.00 1998-11-21       1
## 434       952.266        1054.8      106.00 1998-11-22       1
## 435       831.215        1029.4      105.00 1998-11-23       1
## 436       938.691        1068.6       85.00 1998-11-24       1
## 437       946.472        1018.1       82.00 1998-11-25       1
## 438       909.199        1061.2       70.00 1998-11-26       1
## 439       874.514        1051.7       75.00 1998-11-27       1
## 440       950.658        1052.5       90.00 1998-11-28       1
## 441       930.688        1053.0       71.00 1998-11-29       1
## 442       969.583        1011.8       79.00 1998-11-30       1
## 443       846.931        1029.7       80.00 1998-12-01       1
## 444       900.312         940.5       69.00 1998-12-02       1
## 445       852.252         888.1       66.00 1998-12-03       1
## 446       806.506         870.1       82.00 1998-12-04       1
## 447       764.986         961.7       62.00 1998-12-05       1
## 448       850.083        1084.6       59.00 1998-12-06       1
## 449       742.179         945.6       69.00 1998-12-07       1
## 450       831.042        1053.1       68.00 1998-12-08       1
## 451       787.297        1014.4       58.00 1998-12-09       1
## 452       807.571         986.6       52.00 1998-12-10       1
## 453       882.024        1076.1       65.00 1998-12-11       1
## 454       887.782        1103.9       58.00 1998-12-12       1
## 455       923.357        1090.6       95.00 1998-12-13       1
## 456       969.812        1084.6       96.00 1998-12-14       1
## 457       991.142        1053.7       80.00 1998-12-15       1
## 458       947.889        1058.6       68.00 1998-12-16       1
## 459       859.250         860.8       56.00 1998-12-18       1
## 460       979.958        1087.0       86.00 1998-12-20       1
## 461       959.016        1197.8       91.00 1998-12-21       1
## 462       953.009        1038.4      115.00 1998-12-27       1
## 463       984.788        1020.0      147.00 1998-12-28       1
## 464       861.177        1089.2       97.00 1999-01-03       1
## 465       762.755         924.2       89.00 1999-01-04       1
## 466       696.588         946.4       75.00 1999-01-05       1
## 467       810.327        1080.0       76.00 1999-01-06       1
## 468       714.241         809.1       86.00 1999-01-07       1
## 469       746.681        1026.9       87.00 1999-01-08       1
## 470       897.823        1079.3      102.00 1999-01-09       1
## 471       865.826        1032.3      103.00 1999-01-10       1
## 472       910.356        1115.4      104.00 1999-01-11       1
## 473       888.511        1144.1       73.00 1999-01-12       1
## 474       869.114        1114.5       82.00 1999-01-13       1
## 475       871.620        1053.3       73.00 1999-01-14       1
## 476       952.032         984.1       75.00 1999-01-15       1
## 477      1024.693        1119.5       84.00 1999-01-16       1
## 478       957.977         974.7       87.00 1999-01-17       1
## 479       950.140        1124.8       92.00 1999-01-18       1
## 480       940.086        1196.7       81.00 1999-01-19       1
## 481       946.478        1179.8       71.00 1999-01-20       1
## 482       923.176        1035.6       80.00 1999-01-21       1
## 483       946.043        1068.4       74.00 1999-01-22       1
## 484       953.043        1024.7       76.00 1999-01-23       1
## 485       829.925        1039.8       82.00 1999-01-24       1
## 486       897.573        1096.3       85.00 1999-01-25       1
## 487       977.045        1160.1       76.00 1999-01-26       1
## 488       863.173        1136.9       89.00 1999-01-27       1
## 489       871.882        1101.1       83.00 1999-01-28       1
## 490      1014.262        1124.4      101.00 1999-01-29       1
## 491      1042.967        1126.4       93.00 1999-01-30       1
## 492      1071.294        1140.3       88.00 1999-01-31       1
## 493       799.986        1046.2       82.00 1999-02-01       1
## 494       840.179         940.4       88.00 1999-02-02       1
## 495       817.559        1055.7       86.00 1999-02-03       1
## 496       882.196        1066.1      101.00 1999-02-04       1
## 497       947.349        1121.1       94.00 1999-02-05       1
## 498       910.739        1135.4       91.00 1999-02-06       1
## 499       960.840        1091.7       84.00 1999-02-07       1
## 500       832.865        1055.0       59.00 1999-02-08       1
## 501         0.000         927.1       56.00 1999-02-09       1
## 502       942.646        1031.6       98.00 1999-02-17       1
## 503      1025.140        1118.8      100.00 1999-02-18       1
## 504       954.318        1063.7       89.00 1999-02-19       1
## 505       973.629        1071.3      104.00 1999-02-20       1
## 506      1011.751        1240.1      103.00 1999-02-21       1
## 507       998.002        1178.2      110.00 1999-02-22       1
## 508       920.339        1118.9       94.00 1999-02-23       1
## 509       841.214         880.9       97.00 1999-02-24       1
## 510      1000.105        1162.4       81.00 1999-02-25       1
## 511       948.960        1008.5       91.00 1999-02-26       1
## 512       987.030        1009.9      108.00 1999-02-27       1
## 513      1030.671        1010.6       83.00 1999-02-28       1
## 514       880.037        1054.7       87.00 1999-03-01       1
## 515       846.608        1023.8       85.00 1999-03-02       1
## 516       971.173        1114.1       54.00 1999-03-03       1
## 517       936.426        1111.6       46.00 1999-03-04       1
## 518       925.608        1044.3       53.00 1999-03-05       1
## 519       903.633        1069.5       64.00 1999-03-06       1
## 520       964.498        1101.4       66.00 1999-03-07       1
## 521       904.498        1100.1       65.00 1999-03-08       1
## 522       878.426        1144.5       80.00 1999-03-09       1
## 523       564.809         900.5       93.00 1999-03-10       1
## 524       906.956        1034.5       76.00 1999-03-11       1
## 525       685.575         918.2       70.00 1999-03-12       1
## 526       910.413        1076.7       70.00 1999-03-13       1
## 527       962.085        1109.8       94.00 1999-03-14       1
## 528       956.939        1114.4       78.00 1999-03-15       1
## 529       959.342        1202.4       84.00 1999-03-16       1
## 530       915.901        1208.7      113.00 1999-03-17       1
## 531       864.570        1128.2       89.00 1999-03-18       1
## 532       867.722         982.9       95.00 1999-03-19       1
## 533       922.289        1035.9       81.00 1999-03-20       1
## 534       969.604        1065.0       88.00 1999-03-21       1
## 535       928.464        1100.1       68.00 1999-03-22       1
## 536       953.740        1177.9       73.00 1999-03-23       1
## 537       978.299        1191.4       75.00 1999-03-24       1
## 538       827.894        1045.1       67.00 1999-03-25       1
## 539       927.242        1100.2       53.00 1999-03-26       1
## 540      1029.301        1120.7       77.00 1999-03-27       1
## 541       947.013        1131.8       84.00 1999-03-28       1
## 542       915.839        1050.9       78.00 1999-03-29       1
## 543       924.857        1092.1      128.00 1999-04-04       1
## 544       890.280        1009.2      122.00 1999-04-05       1
## 545       979.643        1114.7      106.00 1999-04-11       1
## 546       951.431        1090.5      109.00 1999-04-12       1
## 547      1035.512        1098.1      100.00 1999-04-13       1
## 548       971.730        1034.3      116.00 1999-04-14       1
## 549       984.679        1083.9       81.00 1999-04-15       1
## 550       922.182        1072.4      106.00 1999-04-16       1
## 551       959.904        1082.9       83.00 1999-04-17       1
## 552       922.102        1056.2      103.00 1999-04-18       1
## 553       935.159        1006.9       98.00 1999-04-19       1
## 554       865.261         960.7      107.00 1999-04-20       1
## 555       981.078        1143.2      101.00 1999-04-21       1
## 556       878.496        1051.9       99.00 1999-04-22       1
## 557       719.507         988.4       88.00 1999-04-23       1
## 558       608.517        1069.7       71.00 1999-04-24       1
## 559       996.924        1156.7       72.00 1999-04-25       1
## 560       965.534        1100.8       88.00 1999-04-26       1
## 561       955.997        1125.5       80.00 1999-04-27       1
## 562      1002.247        1160.1       72.00 1999-04-28       1
## 563       934.913        1107.3       72.00 1999-04-29       1
## 564       983.521        1103.8       65.00 1999-04-30       1
## 565       907.927        1164.8       73.00 1999-05-01       1
## 566       876.462        1148.0       89.00 1999-05-02       1
## 567       792.728        1006.7       68.00 1999-05-03       1
## 568       833.472        1111.2       81.00 1999-05-04       1
## 569       796.281        1060.7       71.00 1999-05-05       1
## 570       821.606         779.3       77.00 1999-05-06       1
## 571       807.835         983.9       75.00 1999-05-07       1
## 572       969.877        1032.2       96.00 1999-05-08       1
## 573      1007.698        1099.1      103.00 1999-05-09       1
## 574       925.705        1059.8       84.00 1999-05-10       1
## 575       904.498        1032.6       86.00 1999-05-11       1
## 576       925.268        1122.8       64.00 1999-05-12       1
## 577       801.123         963.2       73.00 1999-05-13       1
## 578      1010.726        1128.9      102.00 1999-05-14       1
## 579       954.164        1127.1       77.00 1999-05-15       1
## 580       982.241        1180.3       95.00 1999-05-16       1
## 581      1032.749        1202.5      106.00 1999-05-17       1
## 582       883.871         903.4      144.00 1999-05-18       1
## 583       883.495        1015.9      120.00 1999-05-19       1
## 584       950.926        1088.1      127.00 1999-05-20       1
## 585       913.142        1035.2      126.00 1999-05-21       1
## 586       812.537        1003.7      162.00 1999-05-22       1
## 587       865.850        1136.2       88.00 1999-05-23       1
## 588       194.000        1106.5       61.00 1999-05-24       1
## 589         0.000        1098.9       34.00 1999-05-25       1
## 590         0.000        1055.8       20.00 1999-05-26       1
## 591         0.000        1050.9       20.00 1999-05-27       1
## 592       568.086        1102.4       33.00 1999-05-30       1
## 593      1023.329        1152.0       93.00 1999-06-06       1
## 594       990.227        1150.0      101.00 1999-06-07       1
## 595       947.299        1033.6       95.00 1999-06-08       1
## 596      1041.703        1127.4      100.00 1999-06-09       1
## 597       853.216         938.7       89.00 1999-06-10       1
## 598       891.556        1049.0       73.00 1999-06-11       1
## 599      1101.672        1073.8       99.00 1999-06-12       1
## 600      1056.319        1119.2      105.00 1999-06-13       1
## 601      1039.081        1121.4      101.00 1999-06-14       1
## 602       930.964        1008.6       88.00 1999-06-15       1
## 603       902.300        1036.8      100.00 1999-06-16       1
## 604       957.749        1123.2       96.00 1999-06-17       1
## 605       865.454        1146.3       95.00 1999-06-18       1
## 606       946.551        1147.5       78.00 1999-06-19       1
## 607       900.608        1151.3       69.00 1999-06-20       1
## 608       785.637        1080.2       78.00 1999-06-21       1
## 609       893.447        1146.2       85.00 1999-06-22       1
## 610       990.542        1075.1       77.00 1999-06-23       1
## 611       914.372        1034.6       83.00 1999-06-24       1
## 612       905.011        1060.2       90.00 1999-06-25       1
## 613       864.692        1015.6       71.00 1999-06-26       1
## 614       864.105        1091.8       78.00 1999-06-27       1
## 615       897.235        1064.3       83.00 1999-06-28       1
## 616       874.240        1078.5       67.00 1999-06-29       1
## 617      1020.494        1069.3       64.00 1999-06-30       1
## 618       878.613        1024.2       64.00 1999-07-01       1
## 619       844.200         994.3       41.00 1999-07-02       1
## 620       924.145        1069.0       79.00 1999-07-03       1
## 621       891.124        1072.2      108.00 1999-07-04       1
## 622       998.945        1063.8       88.00 1999-07-05       1
## 623       917.280        1133.4      131.00 1999-07-11       1
## 624       961.157        1140.8      137.00 1999-07-12       1
## 625       978.597         844.4      118.00 1999-07-13       1
## 626       539.292        1035.0       65.00 1999-07-14       1
## 627       527.751        1064.4       68.00 1999-07-15       1
## 628       906.792         981.0       86.00 1999-07-16       1
## 629      1014.935        1155.0      113.00 1999-07-17       1
## 630       639.235        1010.5      120.00 1999-07-18       1
## 631       952.978        1020.4      101.00 1999-07-19       1
## 632       978.784        1117.8      105.00 1999-07-20       1
## 633       852.774        1117.2      109.00 1999-07-21       1
## 634       934.732        1129.0       99.00 1999-07-22       1
## 635       987.343        1162.6       86.00 1999-07-23       1
## 636      1005.275        1186.7       83.00 1999-07-24       1
## 637       978.431        1161.8       97.00 1999-07-25       1
## 638       918.650        1084.7      103.00 1999-07-26       1
## 639      1014.686        1118.5       83.00 1999-07-27       1
## 640      1071.492        1090.4       68.00 1999-07-28       1
## 641      1054.163        1082.9       78.00 1999-07-29       1
## 642       967.361        1070.0       68.00 1999-07-30       1
## 643       912.177        1061.9       84.00 1999-07-31       1
## 644       917.455        1105.3       77.00 1999-08-01       1
## 645       952.399        1102.2       88.00 1999-08-02       1
## 646       965.931        1070.5      103.00 1999-08-03       1
## 647       922.332        1082.7       78.00 1999-08-04       1
## 648      1001.783        1153.1       91.00 1999-08-05       1
## 649       840.284        1175.4       77.00 1999-08-06       1
## 650       958.481        1122.5       76.00 1999-08-07       1
## 651       925.799        1103.1       81.00 1999-08-08       1
## 652       961.273        1003.2       91.00 1999-08-09       1
## 653       859.001        1102.3       77.00 1999-08-10       1
## 654       929.065        1125.2       80.00 1999-08-11       1
## 655       991.523        1101.7       84.00 1999-08-12       1
## 656       942.108        1112.6       86.00 1999-08-13       1
## 657       924.344        1118.4       78.00 1999-08-14       1
## 658       935.009        1153.4       70.00 1999-08-15       1
## 659       875.179        1112.9       72.00 1999-08-16       1
## 660       864.143        1113.8       82.00 1999-08-17       1
## 661       611.558         789.2       77.00 1999-08-18       1
## 662       897.913        1127.6       82.00 1999-08-19       1
## 663       893.320        1136.7       68.00 1999-08-20       1
## 664       907.029        1072.8       70.00 1999-08-21       1
## 665       904.694        1110.0       85.00 1999-08-22       1
## 666       910.066        1083.1       76.00 1999-08-23       1
## 667       928.949        1111.5       72.00 1999-08-24       1
## 668       902.709        1077.3       55.00 1999-08-25       1
## 669       953.553        1118.2       69.00 1999-08-26       1
## 670       889.483        1116.6       61.00 1999-08-27       1
## 671       922.972        1080.0       56.00 1999-08-28       1
## 672       859.269        1088.8       78.00 1999-08-29       1
## 673       943.596        1067.2      101.00 1999-08-30       1
## 674      1027.298        1093.4      105.00 1999-08-31       1
## 675       958.858        1172.7       65.00 1999-09-07       1
## 676       889.052        1049.6       54.00 1999-09-08       1
## 677      1003.096        1135.6       54.00 1999-09-09       1
## 678       787.066         904.0       59.00 1999-09-10       1
## 679       896.776        1131.6       68.00 1999-09-11       1
## 680       923.241        1144.4       64.00 1999-09-12       1
## 681       909.264        1155.5       64.00 1999-09-13       1
## 682       859.674        1014.4       66.00 1999-09-14       1
## 683       776.406         910.3       65.00 1999-09-15       1
## 684       776.183         932.3       62.00 1999-09-16       1
## 685       860.725         976.9       76.00 1999-09-17       1
## 686       981.842        1087.3       88.00 1999-09-18       1
## 687       946.312        1081.9      100.00 1999-09-19       1
## 688       913.591        1065.9       79.00 1999-09-20       1
## 689       987.022        1021.0       78.00 1999-09-21       1
## 690      1021.846        1171.1       66.00 1999-09-22       1
## 691       913.342        1086.8       71.00 1999-09-23       1
## 692       928.519        1079.8       65.00 1999-09-24       1
## 693       984.342        1094.1       77.00 1999-09-25       1
## 694       984.780        1142.3       73.00 1999-09-26       1
## 695      1009.770        1173.0       65.00 1999-09-27       1
## 696       996.752        1122.7       70.00 1999-09-28       1
## 697       932.184        1025.1       63.00 1999-09-29       1
## 698       934.724        1034.0       60.00 1999-09-30       1
## 699       968.750        1088.3       82.00 1999-10-01       1
## 700      1033.379        1125.1       77.00 1999-10-02       1
## 701       966.722        1093.8       77.00 1999-10-03       1
## 702       869.070         968.4       68.00 1999-10-04       1
## 703       464.956         875.5       65.00 1999-10-05       1
## 704       942.163        1214.3       72.00 1999-10-12       1
## 705       995.282        1204.5       86.00 1999-10-13       1
## 706       920.063        1180.9       91.00 1999-10-14       1
## 707       869.914        1071.6       88.00 1999-10-15       1
## 708       949.196        1142.5       64.00 1999-10-16       1
## 709       983.813        1117.5       76.00 1999-10-17       1
## 710       920.219        1084.3       71.00 1999-10-18       1
## 711       902.367         985.9       50.00 1999-10-19       1
## 712       959.772        1081.8       56.00 1999-10-20       1
## 713       969.377        1094.9       44.00 1999-10-21       1
## 714       801.527         973.4       34.00 1999-10-22       1
## 715       845.854         909.8       57.00 1999-10-23       1
## 716       918.426        1084.0       54.00 1999-10-24       1
## 717       884.806        1074.1       52.00 1999-10-25       1
## 718       801.917        1014.2       44.00 1999-10-26       1
## 719       908.926        1175.2       64.00 1999-11-02       1
## 720       892.151        1065.5       83.00 1999-11-03       1
## 721       721.259         875.6       57.00 1999-11-04       1
## 722       991.964        1109.0       63.00 1999-11-07       1
## 723       988.137        1055.9       83.00 1999-11-08       1
## 724      1049.245        1125.5       88.00 1999-11-09       1
## 725       944.386        1140.6       69.00 1999-11-15       1
## 726       960.381        1070.3       65.00 1999-11-16       1
## 727       945.568        1111.3       57.00 1999-11-17       1
## 728       900.247         952.0       74.00 1999-11-18       1
## 729       952.420        1160.3       66.00 1999-11-19       1
## 730       952.249        1178.5       59.00 1999-11-20       1
## 731       856.468         976.5       56.00 1999-11-21       1
## 732       928.400        1078.5       69.00 1999-11-22       1
## 733       983.727        1146.1       60.00 1999-11-23       1
## 734       986.249        1118.0       61.00 1999-11-25       1
## 735       959.111        1167.8       59.00 1999-11-26       1
## 736      1007.943        1137.2       77.00 1999-11-27       1
## 737      1009.519        1137.1       63.00 1999-11-28       1
## 738       992.193        1094.3       70.00 1999-11-29       1
## 739      1001.898        1157.1       61.00 1999-11-30       1
## 740        30.161         867.0       67.00 1999-12-01       1
## 741       716.641         822.2       39.00 1999-12-02       1
## 742       866.825        1102.2       54.00 1999-12-03       1
## 743       974.804        1154.5       73.00 1999-12-04       1
## 744       961.804        1108.6       75.00 1999-12-05       1
## 745       938.845        1101.5       61.00 1999-12-06       1
## 746       891.049        1011.7       59.00 1999-12-07       1
## 747       927.256         998.7       44.00 1999-12-08       1
## 748       977.072        1062.5       55.00 1999-12-09       1
## 749       825.744        1014.8       53.00 1999-12-10       1
## 750       984.343        1078.4       50.00 1999-12-11       1
## 751       968.546        1090.2       43.00 1999-12-12       1
## 752      1000.620        1083.0       81.00 1999-12-13       1
## 753       914.504         992.4       93.00 1999-12-14       1
## 754       910.590        1049.8       87.00 1999-12-15       1
## 755       944.123         996.1       78.00 1999-12-16       1
## 756       920.542        1188.0       89.00 1999-12-17       1
## 757      1006.334        1171.9       99.00 1999-12-18       1
## 758      1011.979        1123.5      116.00 1999-12-19       1
## 759       412.113        1162.4       85.00 1999-12-20       1
## 760       960.092        1075.3      120.00 1999-12-21       1
## 761      1070.318        1130.1      105.00 1999-12-22       1
## 762      1100.954        1125.5       94.00 1999-12-23       1
## 763       942.301        1063.9       97.00 1999-12-24       1
## 764      1006.900        1068.2       99.00 1999-12-25       1
## 765      1017.641        1129.6       98.00 1999-12-26       1
## 766       867.295        1087.1       90.00 2000-01-01       1
## 767       937.021        1024.5       74.00 2000-01-02       1
## 768       992.233        1108.6       72.00 2000-01-03       1
## 769       902.232        1022.4       70.00 2000-01-04       1
## 770       923.196         978.6       81.00 2000-01-05       1
## 771       891.789        1060.9       83.00 2000-01-06       1
## 772       834.234         984.3       90.00 2000-01-07       1
## 773       969.745        1094.2       60.00 2000-01-08       1
## 774       965.081        1116.5       64.00 2000-01-09       1
## 775       907.084        1119.2       63.00 2000-01-10       1
## 776       907.648        1080.9       58.00 2000-01-11       1
## 777       937.373        1155.3       70.00 2000-01-12       1
## 778       731.080        1024.0       74.00 2000-01-13       1
## 779       875.597        1111.5       81.00 2000-01-14       1
## 780       910.845        1167.3       78.00 2000-01-15       1
## 781       885.426        1110.7       58.00 2000-01-16       1
## 782       823.028        1086.1       86.00 2000-01-17       1
## 783       707.950         887.1       86.00 2000-01-18       1
## 784       508.626         817.2       49.00 2000-01-19       1
## 785       613.490         791.1       64.00 2000-01-20       1
## 786       705.233         725.6       58.00 2000-01-21       1
## 787       563.209         716.0       47.00 2000-01-22       1
## 788       588.700         668.7       66.00 2000-01-23       1
## 789       797.270         771.4       62.00 2000-01-24       1
## 790       806.884         726.8       54.00 2000-01-25       1
## 791       782.303         754.7       64.00 2000-01-26       1
## 792       844.329         837.0       87.00 2000-01-27       1
## 793       922.129         937.7       61.00 2000-01-28       1
## 794       807.269         991.0       67.00 2000-01-29       1
## 795      1010.648         958.7       90.00 2000-01-30       1
## 796      1017.960        1009.4       79.00 2000-01-31       1
## 797       910.260         963.8       93.00 2000-02-01       1
## 798       892.711        1022.3       62.00 2000-02-02       1
## 799       949.128         978.0       75.00 2000-02-03       2
## 800      1049.662        1184.3       86.00 2000-02-04       1
## 801      1020.265        1034.4       69.00 2000-02-05       2
## 802      1060.425        1157.6       72.00 2000-02-06       2
## 803       913.970        1128.4       61.00 2000-02-07       2
## 804       879.746        1146.4       40.00 2000-02-08       2
## 805       955.019        1169.8       61.00 2000-02-09       2
## 806       813.437         842.2       45.00 2000-02-10       1
## 807       954.050         986.8       46.00 2000-02-11       1
## 808      1000.089        1074.9       66.00 2000-02-12       1
## 809       992.163        1192.4       64.00 2000-02-13       1
## 810       956.667        1067.5       88.00 2000-02-14       2
## 811      1024.168        1160.8       76.00 2000-02-15       1
## 812       899.570         869.1       65.00 2000-02-16       1
## 813      1038.391        1111.0       88.00 2000-02-17       1
## 814      1064.436        1231.9       68.00 2000-02-18       1
## 815       975.009        1103.7       83.00 2000-02-19       2
## 816       868.103        1118.5       81.00 2000-02-20       1
## 817       808.505        1017.3       72.00 2000-02-21       1
## 818       772.759        1099.8       75.00 2000-02-22       1
## 819       533.759        1059.4       77.00 2000-02-23       1
## 820       831.400        1101.1       87.00 2000-02-24       2
## 821      1018.583        1207.1       87.00 2000-02-25       1
## 822      1089.705        1182.9      149.00 2000-02-26       1
## 823      1108.374        1139.8       75.00 2000-02-27       1
## 824      1003.638         955.1      118.00 2000-02-28       2
## 825      1079.667        1100.8      118.00 2000-02-29       1
## 826       844.289        1109.3      105.00 2000-03-01       1
## 827       967.174         948.7       69.00 2000-03-02       2
## 828      1014.898        1099.9       83.00 2000-03-03       2
## 829       938.178        1079.8      133.00 2000-03-04       2
## 830       844.214         872.0      133.00 2000-03-05       2
## 831       955.858        1014.9      126.00 2000-03-06       1
## 832       942.897        1126.8      109.00 2000-03-07       1
## 833       900.489        1135.0       85.00 2000-03-08       2
## 834       964.770        1090.9       92.00 2000-03-09       2
## 835       898.372        1046.1      100.00 2000-03-10       2
## 836      1018.276        1132.8      115.00 2000-03-11       2
## 837      1062.824        1081.2       84.00 2000-03-12       2
## 838       804.814         986.5       82.00 2000-03-13       2
## 839      1034.027        1147.6       89.00 2000-03-14       2
## 840       938.656         910.3      107.00 2000-03-15       2
## 841       947.567        1050.1      117.00 2000-03-16       2
## 842      1011.399        1017.3      139.00 2000-03-18       1
## 843      1035.804         953.5      132.00 2000-03-19       2
## 844       923.178        1006.6       99.00 2000-03-20       2
## 845      1031.000        1208.0      101.00 2000-03-21       1
## 846       911.999        1093.8       95.00 2000-03-22       2
## 847       985.908        1177.3       86.00 2000-03-23       2
## 848       902.781        1132.5       80.00 2000-03-24       1
## 849      1004.345        1087.1       88.00 2000-03-26       1
## 850      1014.854        1052.9      105.00 2000-03-27       2
## 851       997.178        1126.1      112.00 2000-03-28       1
## 852      1014.139        1145.0      107.00 2000-03-29       2
## 853       439.344         987.2       68.00 2000-03-30       2
## 854      1112.094        1033.2      126.00 2000-03-31       1
## 855       949.461        1117.2       95.00 2000-04-01       2
## 856       988.090        1057.8      113.00 2000-04-02       2
## 857       936.884        1037.6       88.00 2000-04-03       2
## 858       899.480         804.6      104.00 2000-04-04       2
## 859       896.014        1043.4      120.00 2000-04-05       1
## 860      1051.987        1097.2      181.00 2000-04-06       2
## 861       923.274        1012.1       99.00 2000-04-07       2
## 862      1006.711        1158.9      170.00 2000-04-08       1
## 863      1032.112        1304.8      120.00 2000-04-09       1
## 864      1003.683        1057.8      100.00 2000-04-10       2
## 865       965.163        1042.3      101.00 2000-04-11       2
## 866       861.722        1113.1      108.00 2000-04-12       2
## 867       867.989        1167.8       64.00 2000-04-13       1
## 868       880.226         949.9       89.00 2000-04-14       2
## 869       957.624        1077.8       95.00 2000-04-15       2
## 870       983.375        1036.9       77.00 2000-04-16       1
## 871      1044.556        1060.6       78.00 2000-04-17       1
## 872       998.112        1066.4       94.00 2000-04-18       2
## 873       998.087        1018.4       64.00 2000-04-19       2
## 874       865.047         903.6       61.00 2000-04-20       1
## 875       974.622        1082.9       44.00 2000-04-21       1
## 876      1015.919        1165.6       54.00 2000-04-22       1
## 877      1057.265        1086.4       43.00 2000-04-23       1
## 878       879.160        1114.9       55.00 2000-04-24       1
## 879       968.516        1197.2       54.00 2000-04-25       1
## 880      1060.423        1114.8       41.00 2000-04-27       2
## 881       932.504        1071.3       81.00 2000-04-29       1
## 882      1030.584        1115.2      101.00 2000-04-30       2
## 883       875.567         882.8      108.00 2000-05-01       2
## 884      1001.329         972.1       87.00 2000-05-02       2
## 885       958.321        1104.8       48.00 2000-05-03       1
## 886       901.028         917.7       63.00 2000-05-04       1
## 887       938.595        1010.6       48.00 2000-05-05       1
## 888      1000.268        1058.1       68.00 2000-05-06       1
## 889      1006.777        1110.0       75.00 2000-05-07       2
## 890       941.260         992.8       87.00 2000-05-08       2
## 891       891.402         931.5       73.00 2000-05-09       2
## 892      1011.813        1072.2       61.00 2000-05-10       2
## 893       953.318         982.4       65.00 2000-05-11       2
## 894       845.783         994.4       60.00 2000-05-12       1
## 895       909.520        1092.2       77.00 2000-05-13       2
## 896      1029.456        1126.4       71.00 2000-05-14       2
## 897       990.308         951.0       99.00 2000-05-15       2
## 898       876.232        1029.7       72.00 2000-05-16       2
## 899       723.952         931.0       57.00 2000-05-18       1
## 900       893.538        1128.1      100.00 2000-05-19       1
## 901       570.954        1172.0      103.00 2000-05-20       1
## 902       919.787        1098.8       87.00 2000-05-21       1
## 903       202.627        1153.0       59.00 2000-05-22       1
## 904         0.000         837.0       34.00 2000-05-23       1
## 905         0.000         751.8       44.00 2000-05-24       1
## 906         0.000         422.4       52.00 2000-05-25       1
## 907         0.000         382.4       46.00 2000-05-26       1
## 908         0.000         615.6       32.00 2000-05-27       1
## 909       493.755         722.6       40.00 2000-05-28       1
## 910       722.314         757.3       55.00 2000-05-29       1
## 911       662.406         660.2       83.00 2000-05-30       1
## 912       752.551         771.4       99.00 2000-05-31       1
## 913       620.283         763.8      100.00 2000-06-01       1
## 914       562.423         698.8       89.00 2000-06-02       1
## 915       562.383         719.4       85.00 2000-06-03       1
## 916       836.259         816.6       74.00 2000-06-04       1
## 917       649.554         691.1       57.00 2000-06-05       1
## 918       594.257         685.3       66.00 2000-06-06       1
## 919       947.123        1064.4       52.00 2000-06-07       1
## 920       950.790        1101.2       74.00 2000-06-08       1
## 921       823.605         919.5       92.00 2000-06-09       1
## 922       967.230        1114.0       79.00 2000-06-10       1
## 923       918.513        1160.7       80.00 2000-06-11       1
## 924       956.224        1205.7      105.00 2000-06-12       2
## 925       827.245         934.3      105.00 2000-06-13       2
## 926       888.315        1028.5       92.00 2000-06-14       2
## 927       816.579         769.9       88.00 2000-06-15       1
## 928       927.418         906.0       85.00 2000-06-16       1
## 929       963.505        1014.0      108.00 2000-06-17       1
## 930       941.815         947.0      103.00 2000-06-18       1
## 931      1004.913        1113.1      113.00 2000-06-19       1
## 932       927.788        1029.0       92.00 2000-06-20       2
## 933       914.816        1054.1      106.00 2000-06-21       2
## 934       890.141         871.9      105.00 2000-06-22       2
## 935       945.337        1115.5      122.00 2000-06-23       2
## 936       991.112        1088.5      124.00 2000-06-24       2
## 937       981.397        1081.8      130.00 2000-06-25       2
## 938      1074.326        1233.5      122.00 2000-06-26       2
## 939       980.273        1036.8      128.00 2000-06-27       2
## 940      1062.603         974.1      110.00 2000-06-28       2
## 941       943.139        1231.9      120.00 2000-06-29       2
## 942       901.615        1019.6      105.00 2000-06-30       1
## 943       911.278        1134.9      121.00 2000-07-01       2
## 944       946.196        1143.9      122.00 2000-07-02       1
## 945       784.760         859.2      129.00 2000-07-03       2
## 946       767.611         893.8      140.00 2000-07-04       2
## 947       999.120        1132.6      130.00 2000-07-05       2
## 948       931.812         979.4      120.00 2000-07-06       2
## 949       934.862        1139.3      121.00 2000-07-07       2
## 950       999.338        1054.9      124.00 2000-07-08       2
## 951       968.907        1002.8      137.00 2000-07-09       2
## 952       898.964         778.1      132.00 2000-07-10       2
## 953       932.829         935.8      150.00 2000-07-11       1
## 954       977.095        1016.2      127.00 2000-07-12       2
## 955       953.757         979.1      125.00 2000-07-13       2
## 956       978.158         953.5      143.00 2000-07-14       2
## 957       935.739        1050.5      112.00 2000-07-15       2
## 958       794.473        1060.4      141.00 2000-07-16       1
## 959       961.836        1060.7      122.00 2000-07-17       2
## 960       864.555         920.6      133.00 2000-07-18       2
## 961       986.222         982.5      147.00 2000-07-19       2
## 962       979.825        1013.2      147.00 2000-07-20       2
## 963       912.086         939.1      165.00 2000-07-21       2
## 964       856.580         991.4      155.00 2000-07-22       2
## 965      1047.052        1083.9      154.00 2000-07-23       2
## 966      1027.364        1096.0      159.00 2000-07-24       2
## 967       944.458         988.0      159.00 2000-07-25       2
## 968      1017.521        1078.1      150.00 2000-07-26       2
## 969      1024.428        1077.7      137.00 2000-07-27       2
## 970       930.500         945.4      124.00 2000-07-28       2
## 971       974.120        1062.5      147.00 2000-07-29       2
x %>% 
  ggplot(aes(x =`BODout(ppm)`)) +
  geom_density(aes(fill = as.factor(`clust$k`)), alpha = 0.4) +
  theme_bw()

Relação entre Saida e Entrada

x %>% 
  ggplot(aes(x =`BODout(ppm)`, y = (x$`BODout(ppm)`/x$`BODin (ppm)`))) +
  geom_point(aes(col = as.factor(`clust$k`)), alpha = 0.4) +
  coord_flip()+
  theme_bw()

# Observamos que no grupo 2 estão as menores eficiencias para os mesmos valores de DBO

Algumas outras observações

x %>% 
  ggplot(aes(x =x$`BODout(ppm)`/x$`FR(m3/dia)`)) +
  geom_density(aes(fill = as.factor(`clust$k`)), alpha = 0.4) +
  theme_bw()

Temos uma separação interessante da relação entre a DBO de saída e a vazão de entrada, gerando dois agrupamentos MUITO CLARO! Devemos pensar em cima disto.

Mais observações

x %>% 
  ggplot(aes(x = x$`Pap (ton/dia)`/x$`FR(m3/dia)`)) +
  geom_density(aes(fill = as.factor(`clust$k`)), alpha = 0.4) +
  theme_bw()

Precisamos verificar melhor, mas os dados tem sugerido que temos um grupo com menos elementos que possuem as maiores produções conseguemente maior DBO, porém baixas eficiencias. Pode-se pensar em estudar este módulo de operação com maior risco.