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)
2019-03-21 21:35:35 rCBA: initialized
2019-03-21 21:35:35 rCBA: data 20x5
	 took: 0.03  s
Evaluate: 0.11145281000291263,0.7957723617608219,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 27
Rules: 10
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.08986031454353834,0.6476464988236726,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 27
Rules: 10
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.08053176213149946,0.6446828855623161,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 27
Rules: 10
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.07734988336288204,0.6000920564730011,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 27
Rules: 10
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.07633329479697781,0.5577510294942838,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 27
Rules: 10
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.06461634358110964,0.47435671170773813,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (15)
Frequent patterns: 27
Rules: 11
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.053143915841466105,0.3847884333616664,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 153
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.048655335706123785,0.38430912001248807,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 153
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.04084042417830604,0.36212612967787894,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 153
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.033867214453077873,0.33641350098341893,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 155
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.03110388006894708,0.28597145345429614,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 159
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.026236105067075764,0.2516672906966831,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 159
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.02284694816556048,0.24741345573522935,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.019579664967186355,0.24732145812187087,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.018035540574549487,0.22439347088627487,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.015983529404819338,0.2083535112884718,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.012798630152155781,0.19508093167494003,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.01101629037665805,0.1768821197137135,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.009673458262928673,0.17671281866354432,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.009406137856564842,0.15639362527893383,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.00816977148543253,0.15208012119815514,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.007821420334454732,0.13743610372674864,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.006962341553626334,0.12210854081828831,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.005864204993889032,0.10190072347055776,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.005642929573430395,0.09816081410516284,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0047529115975769864,0.08568840046789378,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.004179145687202543,0.0761457103505069,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0036149697469397752,0.0696885301045889,3
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:35 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.003379073063432432,0.06115271947093313,3
Mar 21, 2019 9:35:36 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:36 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0028500446784783945,0.0585252953036492,3
Mar 21, 2019 9:35:36 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:36 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
Evaluate: 0.002334978639965566,0.05627783433550907,3
Mar 21, 2019 9:35:36 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 21, 2019 9:35:36 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (55)
Frequent patterns: 382
Rules: 161
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
2019-03-21 21:35:36 rCBA: rules 0
	 took: 1.02  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