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)
2019-02-18 21:20:18 rCBA: initialized
2019-02-18 21:20:18 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.1358726773228004,0.4742547260631712,2
Feb 18, 2019 9:20:18 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:18 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (8)
Frequent patterns: 10
Rules: 2
Cached
Final rules: 3
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.110578133916917,0.4613667500372494,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 34
Rules: 12
Cached
Final rules: 7
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.08877769601542584,0.4421394755335577,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 34
Rules: 12
Cached
Final rules: 7
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.08378375610672104,0.39956120477547863,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 34
Rules: 12
Cached
Final rules: 7
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.07633327794088007,0.3981605739808777,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 34
Rules: 12
Cached
Final rules: 7
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.06267765113112488,0.38330254276790066,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 34
Rules: 12
Cached
Final rules: 7
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.06008692016081013,0.3259598771822133,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 50
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.05829771639612294,0.3141432778223921,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 50
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.05477636022149392,0.2735824483654726,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 50
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.05276823734985362,0.2696166294337794,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 50
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.04497846552388596,0.2457895769481243,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.04359500996382776,0.21993917072667934,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.03960456852078229,0.21760677297084177,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.03612117687550532,0.2031004705438169,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0300110818933608,0.16823306988432468,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.026206962093083423,0.13611110016482417,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.02303846326684788,0.12507045405218495,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.018502944221671043,0.11274537416220339,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.01754899039364629,0.10048336713764917,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.014864320961884385,0.0813895287733696,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.013490732217701615,0.07551661678300187,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.011292425986703774,0.07210654645514256,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.009755397140885953,0.0592391177257373,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.009290658479913803,0.05171360174894169,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.008121226132052354,0.047748148616955075,2
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:19 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.006563079259951123,0.04025846059392468,2
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.006271176723805396,0.032905443502306134,2
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.005635018330610789,0.030320195314810318,2
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.005036123912241858,0.027649098520962586,2
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.004980568246017592,0.026849026849684,2
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0044494349372937395,0.022560106796580496,2
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 18, 2019 9:20:20 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (45)
Frequent patterns: 185
Rules: 51
Cached
Final rules: 8
Accuracy: 0.0
Best rules size: 0
2019-02-18 21:20:20 rCBA: rules 0
	 took: 1.25  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