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)
2019-04-03 23:33:26 rCBA: initialized
2019-04-03 23:33:26 rCBA: data 20x5
	 took: 0.01  s
Evaluate: 0.010580548219399799,0.4845986229817342,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 50
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.010454710083356154,0.4176220197178507,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 50
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.009145717708728485,0.34143497806604906,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 52
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.00862737926820177,0.29240713562039977,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 56
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.007471336471482083,0.2750775569074035,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 56
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.00686322254140653,0.22996420898209746,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0060404904387333135,0.21910426263853858,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.005590463975419466,0.19615436432211178,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.004580050556306678,0.18145674133894626,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0043679176037188005,0.18079514622215168,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.004267324542156525,0.16619511974357912,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.004025373642210483,0.16158412295486835,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0038075264720536482,0.15862178791583004,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0031072812746509564,0.14388238217559454,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.003033721795107155,0.12521975175375216,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.002432750559395968,0.11392545275506638,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0024317159462510893,0.11056207017064047,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.002332243802718822,0.09935111875426295,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0021732432140797817,0.08176343370136752,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0021305683919093303,0.08137475388338894,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0019364494019187327,0.07610157893023903,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.001743093157323044,0.06793095932586264,2
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:26 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0016847482527548535,0.05950306487576942,2
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0016430440953573348,0.05373418039986913,2
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.001606434408665246,0.04642691814638318,2
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0016020882301133292,0.04275339742448877,2
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0015790666656623474,0.04074751099934655,2
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0012852279633985297,0.034255299712393404,2
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0010666377001841876,0.03040115605213563,2
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 9.436600166083032E-4,0.026143542371359338,2
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 9.002188621077844E-4,0.025052744085690085,2
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 03, 2019 11:33:27 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 203
Rules: 58
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
2019-04-03 23:33:27 rCBA: rules 0
	 took: 1.11  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