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)
2019-01-16 23:19:02 rCBA: initialized
2019-01-16 23:19:02 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.004302488542299976,0.22979138671332688,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.003975010857496506,0.18770909724081863,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.003693422613100536,0.15865666997739913,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0031592863457949342,0.1408971705956126,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.00257895803946728,0.13061313914473366,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.00216756612034129,0.10724574408963568,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.001974934447930148,0.10405218709209524,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0019746029967833987,0.10170453363167316,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0018420733283742335,0.10163490345107803,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0016896806350266138,0.08802796826325512,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0013571844442285723,0.0871536522436514,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0011241500107629782,0.07023119735042731,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 9.784187541573854E-4,0.06409996274538889,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 8.023389742903127E-4,0.05375123102349034,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 7.986276003346578E-4,0.04373317458670062,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 7.830194183106145E-4,0.040847243310942964,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 7.313555470594392E-4,0.036118670288047515,1
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:02 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.098903403875601E-4,0.03477503645134496,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.024570242551372E-4,0.030230213791796138,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 5.608396551070691E-4,0.028286433852062663,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.8741183017241826E-4,0.024121641082975324,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.492618197373644E-4,0.019483274846519075,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.166580396137107E-4,0.016082133783823206,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 3.486476619458078E-4,0.014916519268812732,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 3.203622471891682E-4,0.013231091898565762,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.6305076891811405E-4,0.012922760566333171,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.535008711815849E-4,0.011161266141022466,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 2.0936786513475766E-4,0.011021154400015177,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 1.749748929688432E-4,0.010285622773712387,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 1.6567921106030106E-4,0.009812148013598716,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 1.4131877973513085E-4,0.009233318563530189,1
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Jan 16, 2019 11:19:03 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (44)
Frequent patterns: 44
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
2019-01-16 23:19:03 rCBA: rules 0
	 took: 1.04  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