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)
2019-03-05 11:38:09 rCBA: initialized
2019-03-05 11:38:09 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.6034663029162286,0.15299366833917483,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 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: 0.53049648319815,0.12637537289215545,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 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: 0.4288864163438768,0.12077947811938655,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 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: 0.40653383089829365,0.11568067429695418,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 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: 0.3297730173992431,0.09978967054451067,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (2)
Frequent patterns: 2
Rules: 2
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.29248280503145385,0.09554808803634716,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.2833112485278273,0.0884427694184194,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.28073231123227627,0.08321783937808415,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.2784588810648345,0.06766777377286802,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.27611288141896334,0.06300243076363869,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.25941812996153135,0.052861963753637935,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.22111156627327155,0.04289638679546053,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.21876440434044303,0.04075870764550659,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.21765946128303681,0.039045736154595126,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.17566902007819485,0.03749644582247271,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 8
Rules: 5
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1698445171925469,0.03078731415623873,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 8
Rules: 5
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.14978185953825132,0.03034578232852915,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 8
Rules: 5
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.14257874630142467,0.026664857576832207,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 8
Rules: 5
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.12269829074315099,0.023268466097430968,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 8
Rules: 5
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.11089307707170651,0.022231983459077162,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 32
Rules: 14
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.09448029313364249,0.02174731120396189,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 32
Rules: 14
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0791630262205262,0.019876563571191636,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 32
Rules: 14
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.07104232783606343,0.019108800129459702,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 32
Rules: 14
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.067970550879229,0.018417508020916958,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 32
Rules: 14
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.061588645969263216,0.016126619614974066,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 32
Rules: 14
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.04948108167440459,0.014587742799991749,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 462
Rules: 228
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.04656007349234633,0.011872065301723241,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 462
Rules: 228
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.043657086875546355,0.010951610852473275,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 462
Rules: 228
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.03516548822827112,0.009316600673476056,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 462
Rules: 228
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.03212024738549425,0.00832512328157199,4
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:09 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 462
Rules: 228
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.026701221318108728,0.007087746266844086,4
Mar 05, 2019 11:38:10 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 05, 2019 11:38:10 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 462
Rules: 228
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
2019-03-05 11:38:10 rCBA: rules 0
	 took: 0.88  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