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)
2019-04-16 23:38:40 rCBA: initialized
2019-04-16 23:38:40 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.06791616494729003,0.6743131167364744,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (16)
Frequent patterns: 33
Rules: 12
Cached
Final rules: 6
Accuracy: NaN
Best rules size: 0
Evaluate: 0.058181145599365665,0.558591788817032,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 211
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.05534634609973253,0.513927112114212,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 211
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.04562558466906018,0.4742834521997907,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 215
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.045211699254376236,0.4274059803217229,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 215
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.037296309775941915,0.38876961703038565,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 217
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.032747451638234386,0.3713168168171952,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 217
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.030582710428067796,0.33023118445731187,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 222
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.026718011665477517,0.2992796542309502,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 222
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.022373535131830474,0.2538407992396193,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 223
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.019901115279766006,0.2237412852052108,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 223
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.016388958447611766,0.2212384528136707,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 223
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.01474283536341419,0.21976959191931775,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 223
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.013068294399510363,0.2053933851109703,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 223
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.010647844639350168,0.17914547395414585,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.009978976467178555,0.14453253273959218,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.009683278571619588,0.13698526951974052,4
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:40 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.008490869749847977,0.13639280824496902,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.00733206073935495,0.1171091673620354,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.006996161985032959,0.09604123154212788,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.006125186946486908,0.08561766784300046,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.00492725960865978,0.06870802737692411,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.004007604299338937,0.0645690202350507,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0033880027172311896,0.06285703244551075,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0027604731523692065,0.05721374101254065,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0024652823093441545,0.049452819051183164,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0021545932268016016,0.0397614005353808,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0020498856879661354,0.033633797270415204,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0019812596405246784,0.02865960774801389,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0018420794370167665,0.023743680974000893,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.001618113197220942,0.021222424010873132,4
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Apr 16, 2019 11:38:41 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (51)
Frequent patterns: 456
Rules: 224
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
2019-04-16 23:38:41 rCBA: rules 0
	 took: 1.35  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