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)
2019-01-13 03:04:25 rCBA: initialized
2019-01-13 03:04:25 rCBA: data 20x5
	 took: 0.02  s
Evaluate: 0.009216203715669224,0.07973729708638189,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.007656624591152261,0.0727297745975658,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.007485697125656813,0.05852278521284267,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0062587510752011915,0.05021052284806194,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.005944126459186946,0.04878404091125364,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0058060015516547565,0.04127576153392126,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.005552578897995734,0.04048693316902536,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.00517804191644671,0.03326567997491411,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.004278018234040468,0.030938739164486237,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.004191044521298584,0.02644357912746307,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.00392696589090149,0.021624498788726833,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0036150946056100245,0.021015063841366307,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.003532985566918494,0.019185615560934566,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0031003330205777364,0.015597798749985535,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.002932489253619127,0.012908954681100735,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.002633224727677182,0.011365659035803232,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0025594433170284116,0.011026115463345452,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0021039179098635784,0.008947148926321905,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0017511090394155765,0.008390438883052407,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0017459036245166455,0.007181169981107192,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0015101658595242352,0.006255044148523139,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0014912900492302385,0.006054439302604524,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0013971217887665873,0.005064378166316518,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.001155475783298006,0.004213559826788338,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 9.325246604798873E-4,0.003924982724978073,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 9.184124490150687E-4,0.003666370588847963,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 7.786096175787716E-4,0.0029740393449290497,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.84486460327642E-4,0.0025676463492054586,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 5.703235086055038E-4,0.0023766502848597765,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.898203534048336E-4,0.0023332322276512947,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.8370487595792377E-4,0.0021629560942858644,1
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Jan 13, 2019 3:04:25 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (48)
Frequent patterns: 48
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
2019-01-13 03:04:25 rCBA: rules 0
	 took: 0.25  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