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)
2018-09-23 21:32:04 rCBA: initialized
2018-09-23 21:32:04 rCBA: data 20x5
	 took: 0  s
Evaluate: 8.910812913531796E-5,0.05474157861286677,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 8.228439865298202E-5,0.05146637500058643,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 7.423834865983282E-5,0.04414319066295456,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.598076767371217E-5,0.041561522060870715,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.553092264170643E-5,0.033716436340109686,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.29267803788466E-5,0.03234388732731735,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 5.819863113553215E-5,0.026052499595794157,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.764388919891911E-5,0.022727093965877444,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.6944366674558544E-5,0.02051878557378667,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.662874387906229E-5,0.017509403350618485,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.658462847987884E-5,0.017071663117381057,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.191418844883309E-5,0.01654997622412907,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 3.5393451570395285E-5,0.01597219503514726,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 3.441223773382442E-5,0.014578492665151798,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.983328853099091E-5,0.013375678100853019,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.4241142372747937E-5,0.011998141958247057,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.1729219948221916E-5,0.01004837393914744,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 1.9708332715606634E-5,0.008823622336411305,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 1.6693437420273553E-5,0.007304251848088852,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 1.3800653900530213E-5,0.0069813629641772585,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 1.3561798634534486E-5,0.005696383178535578,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 1.244008433572326E-5,0.005109664233381383,1
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:04 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 1.0725454542272109E-5,0.0047727428201991195,1
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 9.761906326685E-6,0.004698004228755227,1
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 9.231279539344621E-6,0.003956413459663335,1
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 7.780552069468592E-6,0.003315350959832442,1
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.5279958655598606E-6,0.0033008241135869063,1
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.2819244595447504E-6,0.002922018744784717,1
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.1594482839861765E-6,0.002484214247662364,1
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 5.56733733063163E-6,0.0023838862934641184,1
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.636360085537064E-6,0.0020726376335237816,1
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 23, 2018 9:32:05 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (47)
Frequent patterns: 47
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
2018-09-23 21:32:05 rCBA: rules 0
	 took: 0.91  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