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

> ### 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)
2018-07-19 05:02:29 rCBA: initialized
2018-07-19 05:02:29 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.00409771433944528,0.2880372927967705,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0040148357853329215,0.25889539568832964,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0035715728237335547,0.23777067738072494,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.002930586120832213,0.2025209624569932,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.002757659951002982,0.17571053828953417,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.002500651382661943,0.14463428264776895,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0022280700698257723,0.14046653395346353,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0021969610602891585,0.11564821348287992,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.002016335143837333,0.09333998330629371,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0016225523075158296,0.09260349754179296,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.001558355521140372,0.08057253531707673,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0013579323602396236,0.07397406497359232,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0011007075745896073,0.063496761994769,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.001077564775187581,0.055067865610877814,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0010016861556419782,0.05209049310659468,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 9.396176475124033E-4,0.04754544282604174,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 8.234717868560943E-4,0.044572580270508706,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 7.748735575961927E-4,0.037136157054604636,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.404232324336233E-4,0.03089350066326775,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 5.444535251155099E-4,0.027106080133491466,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.706433614799271E-4,0.021811839218333715,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.1549703244707603E-4,0.01925140762935956,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 3.9065759518493377E-4,0.018484886340277402,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 3.330478339400054E-4,0.018025848735183016,1
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:29 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 3.3107722309687847E-4,0.01445845661212719,1
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 3.039023380660819E-4,0.014243392748607435,1
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.962707048043564E-4,0.011731229829150572,1
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.6359529910366397E-4,0.011272204952116992,1
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.382616665993448E-4,0.01046530620200265,1
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.2649007284915852E-4,0.010291899131834887,1
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.1942919724662733E-4,0.009871615524974774,1
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jul 19, 2018 5:02:30 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (40)
Frequent patterns: 40
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
2018-07-19 05:02:30 rCBA: rules 0
	 took: 0.12  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