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)
2019-03-22 11:33:33 rCBA: initialized
2019-03-22 11:33:33 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.37943658581869455,0.6726548657238581,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.3730161311337047,0.6221957921033329,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.33104865803253203,0.6129481805591442,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (2)
Frequent patterns: 2
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.3172288621099193,0.5791339685807143,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (2)
Frequent patterns: 2
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.25824807689208973,0.49504778236988556,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (4)
Frequent patterns: 4
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.2195627586578315,0.42616632726374526,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 6
Rules: 1
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.18665334604241388,0.3690621315986749,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 6
Rules: 1
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.15440242507489108,0.31149572070134063,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (7)
Frequent patterns: 9
Rules: 4
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.14114788116432928,0.29448885645815726,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (7)
Frequent patterns: 9
Rules: 4
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.11571290564623841,0.25101565216925725,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 29
Rules: 14
Cached
Final rules: 6
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0966339604875729,0.22115273147096948,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 29
Rules: 14
Cached
Final rules: 6
Accuracy: NaN
Best rules size: 0
Evaluate: 0.08991779443188525,0.21721732196510962,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 29
Rules: 14
Cached
Final rules: 6
Accuracy: NaN
Best rules size: 0
Evaluate: 0.08018914371051457,0.18952945909695204,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 29
Rules: 14
Cached
Final rules: 6
Accuracy: NaN
Best rules size: 0
Evaluate: 0.07123351148922777,0.15645864730911518,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 29
Rules: 14
Cached
Final rules: 6
Accuracy: NaN
Best rules size: 0
Evaluate: 0.06072137526979053,0.15490226260895001,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 29
Rules: 14
Cached
Final rules: 6
Accuracy: NaN
Best rules size: 0
Evaluate: 0.050523265304706556,0.1517258184393765,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.045911085077586955,0.13866816685733893,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.03977827861132724,0.12595566371871458,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.038262069727993,0.10208179376610407,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.032552045697389356,0.09379103142686122,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.030492873809674713,0.08327957221259746,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.02903087652556126,0.07317520908655868,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.028312685240724198,0.06389960951185523,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.02328266818054143,0.0562649869092261,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.02078147245030988,0.053479369721132465,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.017567620549729743,0.04990064679615845,2
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:33 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.016968623051244292,0.04048827465033198,2
Mar 22, 2019 11:33:34 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:34 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.015911521574009116,0.038425964823346474,2
Mar 22, 2019 11:33:34 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:34 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.015449573037302444,0.037711462985930366,2
Mar 22, 2019 11:33:34 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:34 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.013708972015625995,0.03734054133960106,2
Mar 22, 2019 11:33:34 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:34 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.013441961703090498,0.03384275165230058,2
Mar 22, 2019 11:33:34 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 22, 2019 11:33:34 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 205
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
2019-03-22 11:33:34 rCBA: rules 0
	 took: 1.16  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