Running examples in ‘rCBA-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: frameToRules
> ### Title: Conversion of 'data.frame' to 'rules' from 'arules'
> ### Aliases: frameToRules
> 
> ### ** Examples
> 
> library("rCBA")
> data("iris")
> 
> output <- rCBA::buildFPGrowth(iris[sample(nrow(iris), 20),], "Species", parallel=FALSE)
2018-05-24 21:50:08 rCBA: initialized
2018-05-24 21:50:08 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.1279801691999113,0.702466372610035,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (8)
Frequent patterns: 8
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.1254707870174677,0.6840198805826572,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (8)
Frequent patterns: 8
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.10397129465424458,0.6727746768663964,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (14)
Frequent patterns: 14
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.10217253959972725,0.6242197595908967,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (14)
Frequent patterns: 14
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.08917262610720013,0.6206587339271193,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (14)
Frequent patterns: 14
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.08678189825171431,0.5378119945097858,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (14)
Frequent patterns: 14
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.07810314403499356,0.478262423707384,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (14)
Frequent patterns: 14
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.07638254675014451,0.47255768275368254,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (14)
Frequent patterns: 14
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.06600486828188852,0.41303924279706994,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (14)
Frequent patterns: 14
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.05289692906207025,0.35067464707015333,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.05192831480088955,0.2975551662696181,1
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.04458512733535331,0.2922115260137368,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.04271159530745939,0.28749097906914267,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.03770800290064612,0.24195873911437685,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.03564617135579441,0.233039136096757,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.029675851388259393,0.22045558114712988,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.02755362861335413,0.21602658840725314,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.026927567017541655,0.19687913347274585,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.025373961957601145,0.1955212222898442,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.024297694291845987,0.1772748898236696,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.021675241401500026,0.15044062516474788,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.02121991862158133,0.1349661624956375,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.020572373924843523,0.12077223649193607,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.017055697878386046,0.10743819576177376,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.015950073186120454,0.09055086074894877,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.014122359589624912,0.07652245558992349,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0123348708147372,0.0652361292955605,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.011367851131769493,0.0640372729794309,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.009271116020327163,0.061569532832518356,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.008447299926055585,0.052626471336336,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.00739503632498064,0.042932267818470454,1
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
May 24, 2018 9:50:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
2018-05-24 21:50:09 rCBA: rules 0
	 took: 0.72  s
> model <- as(output$model,"data.frame")
> 
> rules <- rCBA::frameToRules(model)
Error in `[.data.frame`(model, , 2:4) : undefined columns selected
Calls: <Anonymous> -> [ -> [.data.frame
Execution halted