Introduction:

Each year, many people fall ill and sometimes even die from ingesting poisonous, wild mushrooms. Since many mushrooms are very similar to each other in appearance, occasionally even experienced professionals gather poisonous mushrooms. Unlike the identification of harmful plants such as a poison oak or poison ivy, there are no clear rules like “leaves of three, let them be” for identifying whether a wild mushroom is poisonous or edible. Complicating matters, many traditional rules such as “poisonous mushrooms are brightly colored” provide dangerous or misleading information. If simple, clear, and consistent rules were available for identifying poisonous mushrooms, they could save the lives of foragers.

Objective:

As one of the strengths of rule-learning algorithms is the fact that they generate easy to understand rules, they seem like an appropriate fit for this classification task. However, the rules will only be as useful as they are accurate.The major aim is to formulate the associative rules using the algorithms like apriori and eclat and to analyze the various metrics obtained and to predict the physical characteristics whether it is poisonous or edible.

Dataset Information:

This data set includes descriptions of hypothetical samples corresponding to 23 species of gilled mushrooms in the Agaricus and Lepiota Family (pp. 500-525). Each species is identified as definitely edible, definitely poisonous, or of unknown edibility and not recommended. This latter class was combined with the poisonous one.

Dataset consists of transactions as itemMatrix in sparse format with 8416 rows (elements/itemsets/transactions) and 119 columns (items) with 23 variables(labels) and a density of 0.1932773.

Number of Instances: 8124 Number of Attributes: 22 (all nominally valued)

Attribute Information:

  1. cap-shape : bell=b,conical=c,convex=x,flat=f, knobbed=k,sunken=s
  2. cap-surface : fibrous=f,grooves=g,scaly=y,smooth=s
  3. cap-color : brown=n,buff=b,cinnamon=c,gray=g,green=r, pink=p,purple=u,red=e,white=w,yellow=y
  4. bruises? : bruises=t,no=f
  5. odor : almond=a,anise=l,creosote=c,fishy=y,foul=f, musty=m,none=n,pungent=p,spicy=s
  6. gill-attachment : attached=a,descending=d,free=f,notched=n
  7. gill-spacing : close=c,crowded=w,distant=d
  8. gill-size : broad=b,narrow=n
  9. gill-color : black=k,brown=n,buff=b,chocolate=h,gray=g, green=r,orange=o,pink=p,purple=u,red=e, white=w,yellow=y
  10. stalk-shape : enlarging=e,tapering=t
  11. stalk-root : bulbous=b,club=c,cup=u,equal=e, rhizomorphs=z,rooted=r,missing=? 12. stalk-surface-above-ring: fibrous=f,scaly=y,silky=k,smooth=s
  12. stalk-surface-below-ring: fibrous=f,scaly=y,silky=k,smooth=s
  13. stalk-color-above-ring : brown=n,buff=b,cinnamon=c,gray=g,orange=o, pink=p,red=e,white=w,yellow=y
  14. stalk-color-below-ring : brown=n,buff=b,cinnamon=c,gray=g,orange=o, pink=p,red=e,white=w,yellow=y
  15. veil-type : partial=p,universal=u
  16. veil-color : brown=n,orange=o,white=w,yellow=y
  17. ring-number : none=n,one=o,two=t
  18. ring-type : cobwebby=c,evanescent=e,flaring=f,large=l, none=n,pendant=p,sheathing=s,zone=z
  19. spore-print-color : black=k,brown=n,buff=b,chocolate=h,green=r, orange=o,purple=u,white=w,yellow=y
  20. population : abundant=a,clustered=c,numerous=n, scattered=s,several=v,solitary=y
  21. habitat : grasses=g,leaves=l,meadows=m,paths=p, urban=u,waste=w,woods=d

Missing Attribute Values:

2480 of them (denoted by “?”), all for attribute #11.

Class Distribution:

edible : 4208 (51.8%)

poisonous : 3916 (48.2%)

Total : 8124 instances

Importing and Reading the dataset - Transaction Summary:

Import the dataset and obtain the summary and structure of the dataset. Frequent set of items is obtained and we analyze using the item frequency plot.

## [1] "C:/Users/admin/Documents/PA 2 Project"
## transactions as itemMatrix in sparse format with
##  8124 rows (elements/itemsets/transactions) and
##  8243 columns (items) and a density of 0.002911561 
## 
## most frequent items:
##       ring.number=p         ring.type=w         gill.size=f 
##                8124                7924                7914 
## spore.print.color=o        gill.color=c             (Other) 
##                7488                6812              156714 
## 
## element (itemset/transaction) length distribution:
## sizes
##   24 
## 8124 
## 
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##      24      24      24      24      24      24 
## 
## includes extended item information - examples:
##          labels variables levels
## 1   cap.shape=1 cap.shape      1
## 2  cap.shape=10 cap.shape     10
## 3 cap.shape=100 cap.shape    100
## 
## includes extended transaction information - examples:
##   transactionID
## 1             1
## 2             2
## 3             3
## Formal class 'transactions' [package "arules"] with 4 slots
##   ..@ transactionInfo:'data.frame':  8124 obs. of  1 variable:
##   .. ..$ transactionID: chr [1:8124] "1" "2" "3" "4" ...
##   ..@ data           :Formal class 'ngCMatrix' [package "Matrix"] with 5 slots
##   .. .. ..@ i       : int [1:194976] 0 8125 8131 8134 8140 8147 8154 8158 8159 8162 ...
##   .. .. ..@ p       : int [1:8125] 0 24 48 72 96 120 144 168 192 216 ...
##   .. .. ..@ Dim     : int [1:2] 8243 8124
##   .. .. ..@ Dimnames:List of 2
##   .. .. .. ..$ : NULL
##   .. .. .. ..$ : NULL
##   .. .. ..@ factors : list()
##   ..@ itemInfo       :'data.frame':  8243 obs. of  3 variables:
##   .. ..$ labels   : chr [1:8243] "cap.shape=1" "cap.shape=10" "cap.shape=100" "cap.shape=1000" ...
##   .. ..$ variables: Factor w/ 24 levels "bruises","cap.color",..: 3 3 3 3 3 3 3 3 3 3 ...
##   .. ..$ levels   : Factor w/ 8147 levels "?","1","10","100",..: 2 3 4 5 6 7 8 9 10 11 ...
##   ..@ itemsetInfo    :'data.frame':  8124 obs. of  0 variables

Algorithm 1 - Apriori algorithm:

Here the apriori algorithm which employs level-wise search for frequent item sets is used to find the associative rules.This way we find that set of 3315185 rules are formed..

## 
## Parameter specification:
##  confidence minval smax arem  aval originalSupport support minlen maxlen
##         0.8    0.1    1 none FALSE            TRUE     0.1      1     10
##  target   ext
##   rules FALSE
## 
## Algorithmic control:
##  filter tree heap memopt load sort verbose
##     0.1 TRUE TRUE  FALSE TRUE    2    TRUE
## 
## apriori - find association rules with the apriori algorithm
## version 4.21 (2004.05.09)        (c) 1996-2004   Christian Borgelt
## set item appearances ...[0 item(s)] done [0.00s].
## set transactions ...[8243 item(s), 8124 transaction(s)] done [0.01s].
## sorting and recoding items ... [56 item(s)] done [0.00s].
## creating transaction tree ... done [0.00s].
## checking subsets of size 1 2 3 4 5 6 7 8 9 10 done [5.47s].
## writing ... [3315185 rule(s)] done [0.78s].
## creating S4 object  ... done [2.30s].
## set of 3315185 rules
## 
## rule length distribution (lhs + rhs):sizes
##      1      2      3      4      5      6      7      8      9     10 
##      5    354   5580  35965 132340 325154 579505 781023 809297 645962 
## 
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   1.000   7.000   8.000   8.091   9.000  10.000 
## 
## summary of quality measures:
##     support         confidence        lift       
##  Min.   :0.1002   Min.   :0.80   Min.   :0.8266  
##  1st Qu.:0.1064   1st Qu.:1.00   1st Qu.:1.0849  
##  Median :0.1064   Median :1.00   Median :1.7110  
##  Mean   :0.1238   Mean   :0.99   Mean   :1.8713  
##  3rd Qu.:0.1123   3rd Qu.:1.00   3rd Qu.:2.1815  
##  Max.   :1.0000   Max.   :1.00   Max.   :6.8718  
## 
## mining info:
##          data ntransactions support confidence
##  Mushroomdata          8124     0.1        0.8
##    lhs               rhs                        support   confidence
## 1  {}             => {gill.color=c}             0.8385032 0.8385032 
## 2  {}             => {spore.print.color=o}      0.9217134 0.9217134 
## 3  {}             => {gill.size=f}              0.9741507 0.9741507 
## 4  {}             => {ring.type=w}              0.9753816 0.9753816 
## 5  {}             => {ring.number=p}            1.0000000 1.0000000 
## 6  {cap.color=k}  => {ring.number=p}            0.1019202 1.0000000 
## 7  {NA..1=l}      => {gill.attachment=f}        0.1014279 0.9903846 
## 8  {NA..1=l}      => {spore.print.color=o}      0.1024126 1.0000000 
## 9  {NA..1=l}      => {ring.number=p}            0.1024126 1.0000000 
## 10 {odor=w}       => {veil.color=w}             0.1280158 1.0000000 
## 11 {odor=w}       => {veil.type=w}              0.1280158 1.0000000 
## 12 {odor=w}       => {spore.print.color=o}      0.1073363 0.8384615 
## 13 {odor=w}       => {gill.size=f}              0.1280158 1.0000000 
## 14 {odor=w}       => {ring.type=w}              0.1280158 1.0000000 
## 15 {odor=w}       => {ring.number=p}            0.1280158 1.0000000 
## 16 {stalk.root=n} => {population=p}             0.1053668 0.8167939 
## 17 {stalk.root=n} => {cap.surface=e}            0.1152142 0.8931298 
## 18 {stalk.root=n} => {stalk.color.below.ring=s} 0.1093058 0.8473282 
## 19 {stalk.root=n} => {stalk.color.above.ring=s} 0.1171837 0.9083969 
## 20 {stalk.root=n} => {stalk.shape=b}            0.1083210 0.8396947 
##    lift    
## 1  1.000000
## 2  1.000000
## 3  1.000000
## 4  1.000000
## 5  1.000000
## 6  1.000000
## 7  1.694584
## 8  1.084936
## 9  1.000000
## 10 1.853102
## 11 1.819892
## 12 0.909677
## 13 1.026535
## 14 1.025240
## 15 1.000000
## 16 1.672287
## 17 1.724284
## 18 1.394590
## 19 1.425776
## 20 1.215552

From the summary of the rules it is found that for this mushroomdata with 8416 transactions the minimum support and confidence of 0.1 and 0.8 and minimum lift of 0.8303 afterwhich we inspect the rules to get the support,confidence and lift for each of the association rules.

Now we consider the generation of rules with a support of 0.4 and confidence of 0.6 to generate 1625 rules and minlen as 2.

From the rules obtained we generate the subset to infer which are the mushrooms are edible or poisonous by setting rhs=c(“EorP=e”, “EorP=p”) and sort the rules based on the lift.

## 
## Parameter specification:
##  confidence minval smax arem  aval originalSupport support minlen maxlen
##         0.6    0.1    1 none FALSE            TRUE     0.4      2     10
##  target   ext
##   rules FALSE
## 
## Algorithmic control:
##  filter tree heap memopt load sort verbose
##     0.1 TRUE TRUE  FALSE TRUE    2    TRUE
## 
## apriori - find association rules with the apriori algorithm
## version 4.21 (2004.05.09)        (c) 1996-2004   Christian Borgelt
## set item appearances ...[0 item(s)] done [0.00s].
## set transactions ...[8243 item(s), 8124 transaction(s)] done [0.01s].
## sorting and recoding items ... [21 item(s)] done [0.00s].
## creating transaction tree ... done [0.00s].
## checking subsets of size 1 2 3 4 5 6 7 done [0.00s].
## writing ... [1625 rule(s)] done [0.00s].
## creating S4 object  ... done [0.00s].
## set of 1625 rules
## 
## rule length distribution (lhs + rhs):sizes
##   2   3   4   5   6   7 
## 135 456 598 345  84   7 
## 
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   2.000   3.000   4.000   3.882   5.000   7.000 
## 
## summary of quality measures:
##     support         confidence          lift       
##  Min.   :0.4008   Min.   :0.6001   Min.   :0.8751  
##  1st Qu.:0.4185   1st Qu.:0.8685   1st Qu.:1.0000  
##  Median :0.4530   Median :0.9682   Median :1.0252  
##  Mean   :0.4803   Mean   :0.9162   Mean   :1.0838  
##  3rd Qu.:0.4943   3rd Qu.:1.0000   3rd Qu.:1.0613  
##  Max.   :0.9754   Max.   :1.0000   Max.   :1.8649  
## 
## mining info:
##          data ntransactions support confidence
##  Mushroomdata          8124     0.4        0.6
##   lhs                             rhs             support   confidence
## 1 {gill.attachment=t}          => {gill.color=c}  0.4027573 0.9691943 
## 2 {gill.attachment=t}          => {gill.size=f}   0.4155588 1.0000000 
## 3 {gill.attachment=t}          => {ring.type=w}   0.4155588 1.0000000 
## 4 {gill.attachment=t}          => {ring.number=p} 0.4155588 1.0000000 
## 5 {stalk.surface.above.ring=e} => {gill.size=f}   0.4069424 0.9402730 
## 6 {stalk.surface.above.ring=e} => {ring.type=w}   0.4081733 0.9431172 
##   lift     
## 1 1.1558624
## 2 1.0265353
## 3 1.0252398
## 4 1.0000000
## 5 0.9652234
## 6 0.9669212

By the above way we find 38 rules being generated.Further rule 2 provides no extra knowledge in addition to rule 1, since rules 1 tells us that all odor=n species are edible. Generally speaking, when a rule (such as rule 2) is a super rule of another rule (such as rule 1) and the former has the same or a lower lift, the former rule (rule 2) is considered to be redundant.Below we prune redundant rules.

Metrics:

The metrics are formulated based on the rules formed by using the interestMeasure. We have considered the following metrics for the mushroom data.

##    implicationIndex conviction     leverage   jaccard
## 1        -18.895801  5.2424346  0.054309847 0.4731058
## 2         -9.341700         NA  0.010741920 0.4265858
## 3         -9.116566         NA  0.010230400 0.4260475
## 4                NA         NA  0.000000000 0.4155588
## 5         12.494323  0.4327917 -0.014661957 0.4069424
## 6         12.193211  0.4327917 -0.013963768 0.4081733
## 7                NA         NA  0.000000000 0.4327917
## 8        -38.328375 14.1716396  0.194558930 0.7874307
## 9        -32.395014  2.9757459  0.194558930 0.7874307
## 10       -25.762076  4.5453471  0.104736990 0.5618592
## 11        10.555695  0.4749815 -0.012408117 0.4115470
## 12        12.140757  0.4342688 -0.013927404 0.4096504
## 13               NA         NA  0.000000000 0.4342688
## 14        -5.568989  1.4907065  0.011597201 0.4510417
## 15        -4.166608  1.7500957  0.004985865 0.4520582

Plots:

Now we consider the plots related to rules formed by apriori with a support of 0.4 and confidence of 0.6 and minlen as 2 corresponding to the methods like grouped and matrix based for those rules formed after soring and pruning.

After selecting the subrules from the rules using lift>1.5 we plot them using matrix method.

## set of 34 rules
## Itemsets in Antecedent (LHS)
##  [1] "{gill.spacing=n}"                                                                      
##  [2] "{cap.surface=e}"                                                                       
##  [3] "{gill.spacing=n,ring.number=p}"                                                        
##  [4] "{cap.surface=e,ring.number=p}"                                                         
##  [5] "{gill.color=c,stalk.shape=b}"                                                          
##  [6] "{gill.attachment=f,spore.print.color=o}"                                               
##  [7] "{stalk.color.below.ring=s,population=p}"                                               
##  [8] "{stalk.color.above.ring=s,stalk.color.below.ring=s}"                                   
##  [9] "{gill.color=c,stalk.color.above.ring=s}"                                               
## [10] "{spore.print.color=o,population=p}"                                                    
## [11] "{stalk.shape=b,stalk.color.above.ring=s}"                                              
## [12] "{gill.color=c,stalk.shape=b,spore.print.color=o}"                                      
## [13] "{gill.size=f,gill.color=c,stalk.shape=b}"                                              
## [14] "{gill.color=c,stalk.shape=b,ring.type=w}"                                              
## [15] "{gill.color=c,stalk.shape=b,ring.number=p}"                                            
## [16] "{gill.attachment=f,gill.size=f,spore.print.color=o}"                                   
## [17] "{gill.attachment=f,ring.number=p,spore.print.color=o}"                                 
## [18] "{stalk.color.below.ring=s,ring.number=p,population=p}"                                 
## [19] "{stalk.color.above.ring=s,stalk.color.below.ring=s,ring.number=p}"                     
## [20] "{gill.color=c,stalk.color.above.ring=s,ring.number=p}"                                 
## [21] "{ring.number=p,spore.print.color=o,population=p}"                                      
## [22] "{stalk.shape=b,stalk.color.above.ring=s,ring.number=p}"                                
## [23] "{gill.size=f,gill.color=c,stalk.shape=b,spore.print.color=o}"                          
## [24] "{gill.color=c,stalk.shape=b,ring.type=w,spore.print.color=o}"                          
## [25] "{gill.color=c,stalk.shape=b,ring.number=p,spore.print.color=o}"                        
## [26] "{gill.size=f,gill.color=c,stalk.shape=b,ring.type=w}"                                  
## [27] "{gill.size=f,gill.color=c,stalk.shape=b,ring.number=p}"                                
## [28] "{gill.color=c,stalk.shape=b,ring.number=p,ring.type=w}"                                
## [29] "{gill.attachment=f,gill.size=f,ring.number=p,spore.print.color=o}"                     
## [30] "{gill.size=f,gill.color=c,stalk.shape=b,ring.type=w,spore.print.color=o}"              
## [31] "{gill.size=f,gill.color=c,stalk.shape=b,ring.number=p,spore.print.color=o}"            
## [32] "{gill.color=c,stalk.shape=b,ring.number=p,ring.type=w,spore.print.color=o}"            
## [33] "{gill.size=f,gill.color=c,stalk.shape=b,ring.number=p,ring.type=w}"                    
## [34] "{gill.size=f,gill.color=c,stalk.shape=b,ring.number=p,ring.type=w,spore.print.color=o}"
## Itemsets in Consequent (RHS)
## [1] "{cap.surface=e}"              "{gill.spacing=n}"            
## [3] "{stalk.surface.below.ring=b}" "{cap.surface=p}"             
## [5] "{stalk.color.above.ring=s}"   "{population=p}"

Next we plot those rules obtained as a result of pruning using grouped and paracoord methods.

Inference:

There are 10 rules formed by above method where the above combination of bruises=f,gill.attachment=f,ring.number=o,veil.color=w are considered to be poisonous and odor=n,gill.size=b,stalk.surface.below.ring=s and stalk.surface.above.ring=s species are considered as edible.It means that mushroom species which are considered either poisonous or edible can be highly associated with these kinds of attributes.

Algorithm2 - Eclat Algorithm:

Here the eclat algorithm which employs uses simple intersection operations for equivalence class clustering along with bottom-up lattice traversal is used to find the frequent itemsets.In that way we find that a set of 537277 itemsets are formed.

## set of 565 itemsets
## 
## most frequent items:
##       ring.number=p         gill.size=f         ring.type=w 
##                 283                 270                 268 
## spore.print.color=o        gill.color=c             (Other) 
##                 222                 190                 694 
## 
## element (itemset/transaction) length distribution:sizes
##   1   2   3   4   5   6   7 
##  21  97 185 170  76  15   1 
## 
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   1.000   3.000   3.000   3.411   4.000   7.000 
## 
## summary of quality measures:
##     support      
##  Min.   :0.4008  
##  1st Qu.:0.4205  
##  Median :0.4609  
##  Mean   :0.4906  
##  3rd Qu.:0.5180  
##  Max.   :1.0000  
## 
## includes transaction ID lists: FALSE 
## 
## mining info:
##          data ntransactions support
##  Mushroomdata          8124     0.4
##     items                          support
## 1   {gill.attachment=t,                   
##      gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w}                0.4027573
## 2   {gill.attachment=t,                   
##      gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p}              0.4027573
## 3   {gill.attachment=t,                   
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w}                0.4027573
## 4   {gill.attachment=t,                   
##      gill.color=c,                        
##      ring.number=p}              0.4027573
## 5   {gill.attachment=t,                   
##      gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w}                0.4155588
## 6   {gill.attachment=t,                   
##      gill.size=f,                         
##      ring.number=p}              0.4155588
## 7   {gill.attachment=t,                   
##      ring.number=p,                       
##      ring.type=w}                0.4155588
## 8   {gill.attachment=t,                   
##      ring.number=p}              0.4155588
## 9   {gill.size=f,                         
##      stalk.surface.above.ring=e,          
##      ring.number=p,                       
##      ring.type=w}                0.4059577
## 10  {gill.size=f,                         
##      stalk.surface.above.ring=e,          
##      ring.number=p}              0.4069424
## 11  {stalk.surface.above.ring=e,          
##      ring.number=p,                       
##      ring.type=w}                0.4081733
## 12  {stalk.surface.above.ring=e,          
##      ring.number=p}              0.4327917
## 13  {cap.surface=e,                       
##      gill.spacing=n,                      
##      ring.number=p}              0.4194978
## 14  {gill.spacing=n,                      
##      stalk.shape=b,                       
##      ring.number=p}              0.4047267
## 15  {gill.spacing=n,                      
##      gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w}                0.4096504
## 16  {gill.spacing=n,                      
##      gill.size=f,                         
##      ring.number=p}              0.4106352
## 17  {gill.spacing=n,                      
##      ring.number=p,                       
##      ring.type=w}                0.4096504
## 18  {gill.spacing=n,                      
##      ring.number=p}              0.4342688
## 19  {cap.color=x,                         
##      gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4204825
## 20  {cap.color=x,                         
##      gill.size=f,                         
##      ring.number=p,                       
##      spore.print.color=o}        0.4204825
## 21  {cap.color=x,                         
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4204825
## 22  {cap.color=x,                         
##      ring.number=p,                       
##      spore.print.color=o}        0.4263909
## 23  {cap.color=x,                         
##      gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w}                0.4433776
## 24  {cap.color=x,                         
##      gill.size=f,                         
##      ring.number=p}              0.4433776
## 25  {cap.color=x,                         
##      ring.number=p,                       
##      ring.type=w}                0.4441162
## 26  {cap.color=x,                         
##      ring.number=p}              0.4500246
## 27  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4076809
## 28  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      spore.print.color=o}        0.4076809
## 29  {gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w,                         
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## 30  {gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      spore.print.color=o}        0.4076809
## 31  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w}                0.4224520
## 32  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p}              0.4224520
## 33  {gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w}                0.4224520
## 34  {gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p}              0.4224520
## 35  {gill.size=f,                         
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4076809
## 36  {gill.size=f,                         
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      spore.print.color=o}        0.4076809
## 37  {stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
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##      spore.print.color=o}        0.4076809
## 38  {stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
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## 39  {gill.size=f,                         
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w}                0.4224520
## 40  {gill.size=f,                         
##      stalk.shape=b,                       
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##      ring.number=p}              0.4224520
## 41  {stalk.shape=b,                       
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## 42  {stalk.shape=b,                       
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## 43  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4194978
## 44  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      spore.print.color=o}        0.4194978
## 45  {gill.color=c,                        
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
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##      spore.print.color=o}        0.4194978
## 46  {gill.color=c,                        
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
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## 47  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
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## 48  {gill.size=f,                         
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##      stalk.surface.below.ring=b,          
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## 49  {gill.color=c,                        
##      stalk.surface.below.ring=b,          
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## 50  {gill.color=c,                        
##      stalk.surface.below.ring=b,          
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## 51  {gill.size=f,                         
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
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## 52  {gill.size=f,                         
##      stalk.surface.below.ring=b,          
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## 53  {stalk.surface.below.ring=b,          
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## 54  {stalk.surface.below.ring=b,          
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## 55  {gill.size=f,                         
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## 56  {gill.size=f,                         
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## 57  {stalk.surface.below.ring=b,          
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## 58  {stalk.surface.below.ring=b,          
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## 59  {cap.surface=p,                       
##      gill.attachment=f,                   
##      gill.size=f,                         
##      ring.number=p,                       
##      spore.print.color=o}        0.4007878
## 60  {cap.surface=p,                       
##      gill.attachment=f,                   
##      ring.number=p,                       
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## 61  {cap.surface=p,                       
##      gill.attachment=f,                   
##      gill.size=f,                         
##      ring.number=p,                       
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## 62  {cap.surface=p,                       
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## 63  {cap.surface=p,                       
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## 64  {cap.surface=p,                       
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## 65  {cap.surface=p,                       
##      gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4549483
## 66  {cap.surface=p,                       
##      gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
##      spore.print.color=o}        0.4549483
## 67  {cap.surface=p,                       
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4549483
## 68  {cap.surface=p,                       
##      gill.color=c,                        
##      ring.number=p,                       
##      spore.print.color=o}        0.4549483
## 69  {cap.surface=p,                       
##      gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w}                0.4660266
## 70  {cap.surface=p,                       
##      gill.size=f,                         
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## 71  {cap.surface=p,                       
##      gill.color=c,                        
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## 72  {cap.surface=p,                       
##      gill.color=c,                        
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## 73  {cap.surface=p,                       
##      gill.size=f,                         
##      ring.number=p,                       
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##      spore.print.color=o}        0.4677499
## 74  {cap.surface=p,                       
##      gill.size=f,                         
##      ring.number=p,                       
##      spore.print.color=o}        0.4687346
## 75  {cap.surface=p,                       
##      ring.number=p,                       
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##      spore.print.color=o}        0.4677499
## 76  {cap.surface=p,                       
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## 77  {cap.surface=p,                       
##      gill.size=f,                         
##      ring.number=p,                       
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## 78  {cap.surface=p,                       
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## 79  {cap.surface=p,                       
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## 80  {cap.surface=p,                       
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## 81  {stalk.color.above.ring=s,            
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##      ring.number=p,                       
##      population=p}               0.4096504
## 82  {gill.size=f,                         
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      population=p}               0.4037420
## 83  {gill.size=f,                         
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
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## 84  {stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      population=p}               0.4037420
## 85  {stalk.color.below.ring=s,            
##      ring.number=p,                       
##      population=p}               0.4273757
## 86  {gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      population=p}               0.4086657
## 87  {stalk.color.above.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o,                 
##      population=p}               0.4204825
## 88  {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      population=p}               0.4273757
## 89  {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
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## 90  {stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      population=p}               0.4273757
## 91  {stalk.color.above.ring=s,            
##      ring.number=p,                       
##      population=p}               0.4510094
## 92  {stalk.shape=b,                       
##      ring.number=p,                       
##      population=p}               0.4086657
## 93  {gill.color=c,                        
##      ring.number=p,                       
##      spore.print.color=o,                 
##      population=p}               0.4135894
## 94  {gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
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##      population=p}               0.4047267
## 95  {gill.size=f,                         
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## 96  {gill.color=c,                        
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## 97  {gill.color=c,                        
##      ring.number=p,                       
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## 98  {gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o,                 
##      population=p}               0.4145741
## 99  {gill.size=f,                         
##      ring.number=p,                       
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##      population=p}               0.4145741
## 100 {ring.number=p,                       
##      ring.type=w,                         
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## 101 {ring.number=p,                       
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##      population=p}               0.4382078
## 102 {gill.size=f,                         
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##      population=p}               0.4647957
## 103 {gill.size=f,                         
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## 105 {ring.number=p,                       
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## 106 {gill.size=f,                         
##      gill.color=c,                        
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## 107 {gill.size=f,                         
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## 108 {gill.color=c,                        
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## 109 {gill.color=c,                        
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## 110 {gill.size=f,                         
##      gill.color=c,                        
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## 111 {gill.size=f,                         
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## 112 {gill.color=c,                        
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## 113 {gill.color=c,                        
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## 114 {gill.size=f,                         
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## 115 {gill.size=f,                         
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## 116 {ring.number=p,                       
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## 117 {ring.number=p,                       
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##      NA.=v}                      0.4864599
## 118 {gill.size=f,                         
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## 119 {gill.size=f,                         
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## 120 {ring.number=p,                       
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## 121 {ring.number=p,                       
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## 123 {cap.surface=e,                       
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## 124 {cap.surface=e,                       
##      stalk.color.above.ring=s,            
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## 125 {cap.surface=e,                       
##      gill.size=f,                         
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## 126 {cap.surface=e,                       
##      gill.size=f,                         
##      stalk.color.above.ring=s,            
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## 127 {cap.surface=e,                       
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## 128 {cap.surface=e,                       
##      stalk.color.above.ring=s,            
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## 129 {cap.surface=e,                       
##      stalk.shape=b,                       
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##      spore.print.color=o}        0.4175283
## 130 {cap.surface=e,                       
##      gill.size=f,                         
##      stalk.shape=b,                       
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## 131 {cap.surface=e,                       
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## 132 {cap.surface=e,                       
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## 133 {cap.surface=e,                       
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## 134 {cap.surface=e,                       
##      gill.size=f,                         
##      ring.number=p,                       
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##      spore.print.color=o}        0.4293452
## 135 {cap.surface=e,                       
##      gill.size=f,                         
##      ring.number=p,                       
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## 136 {cap.surface=e,                       
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## 137 {cap.surface=e,                       
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## 138 {cap.surface=e,                       
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## 139 {cap.surface=e,                       
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## 140 {cap.surface=e,                       
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## 141 {cap.surface=e,                       
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## 143 {gill.size=f,                         
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## 144 {veil.type=w,                         
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## 145 {veil.type=w,                         
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## 146 {gill.size=f,                         
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## 147 {gill.size=f,                         
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## 148 {stalk.color.above.ring=s,            
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## 149 {stalk.color.above.ring=s,            
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## 150 {gill.size=f,                         
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## 151 {gill.size=f,                         
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## 152 {veil.color=w,                        
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## 153 {veil.color=w,                        
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## 154 {gill.size=f,                         
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## 155 {gill.size=f,                         
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## 156 {veil.color=w,                        
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## 157 {veil.color=w,                        
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## 158 {gill.size=f,                         
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## 159 {gill.size=f,                         
##      stalk.color.above.ring=s,            
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## 160 {stalk.color.above.ring=s,            
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## 161 {stalk.color.above.ring=s,            
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## 162 {gill.size=f,                         
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## 163 {gill.size=f,                         
##      veil.type=w,                         
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## 164 {veil.type=w,                         
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## 165 {veil.type=w,                         
##      ring.number=p,                       
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## 166 {gill.size=f,                         
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## 167 {gill.size=f,                         
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## 168 {veil.type=w,                         
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## 169 {veil.type=w,                         
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## 170 {gill.size=f,                         
##      gill.color=c,                        
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## 171 {gill.size=f,                         
##      gill.color=c,                        
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## 172 {gill.color=c,                        
##      stalk.surface.above.ring=t,          
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## 173 {gill.color=c,                        
##      stalk.surface.above.ring=t,          
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## 174 {gill.size=f,                         
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##      stalk.surface.above.ring=t,          
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## 175 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.surface.above.ring=t,          
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## 176 {gill.color=c,                        
##      stalk.surface.above.ring=t,          
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## 177 {gill.color=c,                        
##      stalk.surface.above.ring=t,          
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## 178 {gill.size=f,                         
##      stalk.surface.above.ring=t,          
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##      spore.print.color=o}        0.5672083
## 179 {gill.size=f,                         
##      stalk.surface.above.ring=t,          
##      ring.number=p,                       
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## 180 {stalk.surface.above.ring=t,          
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.5672083
## 181 {stalk.surface.above.ring=t,          
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##      spore.print.color=o}        0.5672083
## 182 {gill.size=f,                         
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## 183 {gill.size=f,                         
##      stalk.surface.above.ring=t,          
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## 184 {stalk.surface.above.ring=t,          
##      ring.number=p,                       
##      ring.type=w}                0.5672083
## 185 {stalk.surface.above.ring=t,          
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## 186 {gill.attachment=f,                   
##      gill.size=f,                         
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##      spore.print.color=o}        0.4057115
## 187 {gill.attachment=f,                   
##      gill.size=f,                         
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## 188 {gill.attachment=f,                   
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## 189 {gill.attachment=f,                   
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## 190 {gill.attachment=f,                   
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## 191 {gill.attachment=f,                   
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## 192 {gill.attachment=f,                   
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## 193 {gill.attachment=f,                   
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## 194 {gill.attachment=f,                   
##      gill.size=f,                         
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## 195 {gill.attachment=f,                   
##      gill.size=f,                         
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## 196 {gill.attachment=f,                   
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## 197 {gill.attachment=f,                   
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## 198 {gill.attachment=f,                   
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## 200 {gill.attachment=f,                   
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## 203 {gill.size=f,                         
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## 204 {gill.size=f,                         
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## 205 {gill.color=c,                        
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## 206 {gill.color=c,                        
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## 207 {gill.size=f,                         
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## 208 {gill.size=f,                         
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## 209 {stalk.color.above.ring=s,            
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## 210 {stalk.color.above.ring=s,            
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##      ring.number=p,                       
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## 211 {gill.size=f,                         
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## 212 {gill.size=f,                         
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## 213 {stalk.color.above.ring=s,            
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## 215 {stalk.shape=b,                       
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## 216 {gill.size=f,                         
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## 217 {gill.size=f,                         
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## 218 {gill.color=c,                        
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##      ring.number=p,                       
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##      spore.print.color=o}        0.4549483
## 219 {gill.color=c,                        
##      stalk.color.below.ring=s,            
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## 220 {gill.size=f,                         
##      gill.color=c,                        
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## 221 {gill.size=f,                         
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## 222 {gill.color=c,                        
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## 223 {gill.color=c,                        
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## 224 {gill.size=f,                         
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
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##      spore.print.color=o}        0.5297883
## 225 {gill.size=f,                         
##      stalk.color.below.ring=s,            
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## 226 {stalk.color.below.ring=s,            
##      ring.number=p,                       
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## 227 {stalk.color.below.ring=s,            
##      ring.number=p,                       
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## 228 {gill.size=f,                         
##      stalk.color.below.ring=s,            
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## 229 {gill.size=f,                         
##      stalk.color.below.ring=s,            
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## 230 {stalk.color.below.ring=s,            
##      ring.number=p,                       
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## 231 {stalk.color.below.ring=s,            
##      ring.number=p}              0.6075825
## 232 {gill.size=f,                         
##      stalk.shape=b,                       
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## 233 {gill.size=f,                         
##      stalk.shape=b,                       
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## 234 {stalk.shape=b,                       
##      stalk.color.above.ring=s,            
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## 235 {stalk.shape=b,                       
##      stalk.color.above.ring=s,            
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## 236 {gill.size=f,                         
##      gill.color=c,                        
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##      ring.number=p,                       
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##      spore.print.color=o}        0.4844904
## 237 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.4844904
## 238 {gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4844904
## 239 {gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
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## 240 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
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## 241 {gill.size=f,                         
##      gill.color=c,                        
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## 242 {gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
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## 243 {gill.color=c,                        
##      stalk.color.above.ring=s,            
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## 244 {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.5593304
## 245 {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
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## 246 {stalk.color.above.ring=s,            
##      ring.number=p,                       
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##      spore.print.color=o}        0.5593304
## 247 {stalk.color.above.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.5829641
## 248 {gill.size=f,                         
##      stalk.color.above.ring=s,            
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## 249 {gill.size=f,                         
##      stalk.color.above.ring=s,            
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## 250 {stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.6134909
## 251 {stalk.color.above.ring=s,            
##      ring.number=p}              0.6371246
## 252 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p,                       
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##      spore.print.color=o}        0.4943378
## 253 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p,                       
##      spore.print.color=o}        0.4943378
## 254 {gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4943378
## 255 {gill.color=c,                        
##      stalk.shape=b,                       
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## 256 {gill.size=f,                         
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##      stalk.shape=b,                       
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## 257 {gill.size=f,                         
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## 258 {gill.color=c,                        
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## 259 {gill.color=c,                        
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## 260 {gill.size=f,                         
##      stalk.shape=b,                       
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##      spore.print.color=o}        0.5888725
## 261 {gill.size=f,                         
##      stalk.shape=b,                       
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## 262 {stalk.shape=b,                       
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## 263 {stalk.shape=b,                       
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## 264 {gill.size=f,                         
##      stalk.shape=b,                       
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## 265 {gill.size=f,                         
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## 266 {stalk.shape=b,                       
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## 267 {stalk.shape=b,                       
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## 268 {gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.7720335
## 269 {gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
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## 270 {gill.color=c,                        
##      ring.number=p,                       
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##      spore.print.color=o}        0.7720335
## 271 {gill.color=c,                        
##      ring.number=p,                       
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## 272 {gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w}                0.8126539
## 273 {gill.size=f,                         
##      gill.color=c,                        
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## 274 {gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w}                0.8148695
## 275 {gill.color=c,                        
##      ring.number=p}              0.8385032
## 276 {gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.8970950
## 277 {gill.size=f,                         
##      ring.number=p,                       
##      spore.print.color=o}        0.8980798
## 278 {ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.8970950
## 279 {ring.number=p,                       
##      spore.print.color=o}        0.9217134
## 280 {gill.size=f,                         
##      ring.number=p,                       
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## 281 {gill.size=f,                         
##      ring.number=p}              0.9741507
## 282 {ring.number=p,                       
##      ring.type=w}                0.9753816
## 283 {ring.number=p}              1.0000000
##     items                          support
## 1   {gill.attachment=t,                   
##      gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w}                0.4027573
## 2   {gill.attachment=t,                   
##      gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p}              0.4027573
## 3   {gill.attachment=t,                   
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w}                0.4027573
## 4   {gill.attachment=t,                   
##      gill.color=c,                        
##      ring.number=p}              0.4027573
## 5   {gill.attachment=t,                   
##      gill.size=f,                         
##      ring.number=p,                       
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## 6   {gill.attachment=t,                   
##      gill.size=f,                         
##      ring.number=p}              0.4155588
## 7   {gill.attachment=t,                   
##      ring.number=p,                       
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## 8   {gill.attachment=t,                   
##      ring.number=p}              0.4155588
## 9   {gill.size=f,                         
##      stalk.surface.above.ring=e,          
##      ring.number=p,                       
##      ring.type=w}                0.4059577
## 10  {gill.size=f,                         
##      stalk.surface.above.ring=e,          
##      ring.number=p}              0.4069424
## 11  {stalk.surface.above.ring=e,          
##      ring.number=p,                       
##      ring.type=w}                0.4081733
## 12  {stalk.surface.above.ring=e,          
##      ring.number=p}              0.4327917
## 13  {cap.surface=e,                       
##      gill.spacing=n,                      
##      ring.number=p}              0.4194978
## 14  {gill.spacing=n,                      
##      stalk.shape=b,                       
##      ring.number=p}              0.4047267
## 15  {gill.spacing=n,                      
##      gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w}                0.4096504
## 16  {gill.spacing=n,                      
##      gill.size=f,                         
##      ring.number=p}              0.4106352
## 17  {gill.spacing=n,                      
##      ring.number=p,                       
##      ring.type=w}                0.4096504
## 18  {gill.spacing=n,                      
##      ring.number=p}              0.4342688
## 19  {cap.color=x,                         
##      gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4204825
## 20  {cap.color=x,                         
##      gill.size=f,                         
##      ring.number=p,                       
##      spore.print.color=o}        0.4204825
## 21  {cap.color=x,                         
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4204825
## 22  {cap.color=x,                         
##      ring.number=p,                       
##      spore.print.color=o}        0.4263909
## 23  {cap.color=x,                         
##      gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w}                0.4433776
## 24  {cap.color=x,                         
##      gill.size=f,                         
##      ring.number=p}              0.4433776
## 25  {cap.color=x,                         
##      ring.number=p,                       
##      ring.type=w}                0.4441162
## 26  {cap.color=x,                         
##      ring.number=p}              0.4500246
## 27  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4076809
## 28  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      spore.print.color=o}        0.4076809
## 29  {gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4076809
## 30  {gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      spore.print.color=o}        0.4076809
## 31  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w}                0.4224520
## 32  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p}              0.4224520
## 33  {gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w}                0.4224520
## 34  {gill.color=c,                        
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p}              0.4224520
## 35  {gill.size=f,                         
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4076809
## 36  {gill.size=f,                         
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      spore.print.color=o}        0.4076809
## 37  {stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4076809
## 38  {stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      spore.print.color=o}        0.4076809
## 39  {gill.size=f,                         
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w}                0.4224520
## 40  {gill.size=f,                         
##      stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p}              0.4224520
## 41  {stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w}                0.4224520
## 42  {stalk.shape=b,                       
##      stalk.surface.below.ring=b,          
##      ring.number=p}              0.4224520
## 43  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4194978
## 44  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      spore.print.color=o}        0.4194978
## 45  {gill.color=c,                        
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4194978
## 46  {gill.color=c,                        
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      spore.print.color=o}        0.4194978
## 47  {gill.size=f,                         
##      gill.color=c,                        
##      stalk.surface.below.ring=b,          
##      ring.number=p,                       
##      ring.type=w}                0.4342688
## 48  {gill.size=f,                         
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## 88  {gill.size=f,                         
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## 204 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p}              0.4293452
## 205 {gill.color=c,                        
##      stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.4293452
## 206 {gill.color=c,                        
##      stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p}              0.4529788
## 207 {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4426391
## 208 {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.4426391
## 209 {stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4426391
## 210 {stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.4662728
## 211 {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.4879370
## 212 {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p}              0.4879370
## 213 {stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.4879370
## 214 {stalk.color.above.ring=s,            
##      stalk.color.below.ring=s,            
##      ring.number=p}              0.5115707
## 215 {stalk.shape=b,                       
##      stalk.color.below.ring=s,            
##      ring.number=p}              0.4185130
## 216 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4549483
## 217 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.4549483
## 218 {gill.color=c,                        
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4549483
## 219 {gill.color=c,                        
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.4785820
## 220 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.4913836
## 221 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.below.ring=s,            
##      ring.number=p}              0.4913836
## 222 {gill.color=c,                        
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.4913836
## 223 {gill.color=c,                        
##      stalk.color.below.ring=s,            
##      ring.number=p}              0.5150172
## 224 {gill.size=f,                         
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.5297883
## 225 {gill.size=f,                         
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.5297883
## 226 {stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.5297883
## 227 {stalk.color.below.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.5534220
## 228 {gill.size=f,                         
##      stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.5839488
## 229 {gill.size=f,                         
##      stalk.color.below.ring=s,            
##      ring.number=p}              0.5839488
## 230 {stalk.color.below.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.5839488
## 231 {stalk.color.below.ring=s,            
##      ring.number=p}              0.6075825
## 232 {gill.size=f,                         
##      stalk.shape=b,                       
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.4185130
## 233 {gill.size=f,                         
##      stalk.shape=b,                       
##      stalk.color.above.ring=s,            
##      ring.number=p}              0.4185130
## 234 {stalk.shape=b,                       
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.4185130
## 235 {stalk.shape=b,                       
##      stalk.color.above.ring=s,            
##      ring.number=p}              0.4421467
## 236 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4844904
## 237 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.4844904
## 238 {gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4844904
## 239 {gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.5081241
## 240 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.5209257
## 241 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p}              0.5209257
## 242 {gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.5209257
## 243 {gill.color=c,                        
##      stalk.color.above.ring=s,            
##      ring.number=p}              0.5445593
## 244 {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.5593304
## 245 {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.5593304
## 246 {stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.5593304
## 247 {stalk.color.above.ring=s,            
##      ring.number=p,                       
##      spore.print.color=o}        0.5829641
## 248 {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.6134909
## 249 {gill.size=f,                         
##      stalk.color.above.ring=s,            
##      ring.number=p}              0.6134909
## 250 {stalk.color.above.ring=s,            
##      ring.number=p,                       
##      ring.type=w}                0.6134909
## 251 {stalk.color.above.ring=s,            
##      ring.number=p}              0.6371246
## 252 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4943378
## 253 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p,                       
##      spore.print.color=o}        0.4943378
## 254 {gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.4943378
## 255 {gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p,                       
##      spore.print.color=o}        0.5179714
## 256 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p,                       
##      ring.type=w}                0.5349581
## 257 {gill.size=f,                         
##      gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p}              0.5349581
## 258 {gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p,                       
##      ring.type=w}                0.5371738
## 259 {gill.color=c,                        
##      stalk.shape=b,                       
##      ring.number=p}              0.5608075
## 260 {gill.size=f,                         
##      stalk.shape=b,                       
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.5888725
## 261 {gill.size=f,                         
##      stalk.shape=b,                       
##      ring.number=p,                       
##      spore.print.color=o}        0.5888725
## 262 {stalk.shape=b,                       
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.5888725
## 263 {stalk.shape=b,                       
##      ring.number=p,                       
##      spore.print.color=o}        0.6125062
## 264 {gill.size=f,                         
##      stalk.shape=b,                       
##      ring.number=p,                       
##      ring.type=w}                0.6649434
## 265 {gill.size=f,                         
##      stalk.shape=b,                       
##      ring.number=p}              0.6649434
## 266 {stalk.shape=b,                       
##      ring.number=p,                       
##      ring.type=w}                0.6671590
## 267 {stalk.shape=b,                       
##      ring.number=p}              0.6907927
## 268 {gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.7720335
## 269 {gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
##      spore.print.color=o}        0.7720335
## 270 {gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.7720335
## 271 {gill.color=c,                        
##      ring.number=p,                       
##      spore.print.color=o}        0.7956672
## 272 {gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w}                0.8126539
## 273 {gill.size=f,                         
##      gill.color=c,                        
##      ring.number=p}              0.8126539
## 274 {gill.color=c,                        
##      ring.number=p,                       
##      ring.type=w}                0.8148695
## 275 {gill.color=c,                        
##      ring.number=p}              0.8385032
## 276 {gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.8970950
## 277 {gill.size=f,                         
##      ring.number=p,                       
##      spore.print.color=o}        0.8980798
## 278 {ring.number=p,                       
##      ring.type=w,                         
##      spore.print.color=o}        0.8970950
## 279 {ring.number=p,                       
##      spore.print.color=o}        0.9217134
## 280 {gill.size=f,                         
##      ring.number=p,                       
##      ring.type=w}                0.9731659
## 281 {gill.size=f,                         
##      ring.number=p}              0.9741507
## 282 {ring.number=p,                       
##      ring.type=w}                0.9753816

Plots:

Here we represent the itemsets as plots using the graph and paracoord methods as below.

These are considered for itemsets after considering the subset using EorP.

Inference:

On the basis of the above eclat algorithm ,the resulting itemsets show that the Mushroom species is poisonous is highly associated with bruises=f,gill.attachment=f,gill.spacing=c,veil.type=p,veil.color=w,ring.number=o as the attributes.

Conclusion:

Hence we were able predict the mushroom species which are edible or poisonous based on associative rules algorithm.