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)
2019-03-13 21:32:28 rCBA: initialized
2019-03-13 21:32:28 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.4650128548582082,0.33773288216817676,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM 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: 0.43388564256328166,0.3221326332357939,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM 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: 0.35242153002909044,0.2664559887230237,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM 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: 0.3326232040147593,0.26339105109801925,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM 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: 0.32922231993476136,0.2349689107735225,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM 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: 0.2706064596647141,0.20934243383300363,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (4)
Frequent patterns: 4
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.24562438758511612,0.19298198521114973,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (4)
Frequent patterns: 4
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.23018939270120017,0.1623146086834801,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (4)
Frequent patterns: 4
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.22764414310972692,0.13558187309105416,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (4)
Frequent patterns: 4
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1935413058821695,0.11247228768954394,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (4)
Frequent patterns: 4
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1635772160457813,0.10853366418430574,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 6
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.15615679659197765,0.10670229936847675,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 6
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.15388171013442473,0.106094695915075,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 6
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1473324792087952,0.08913070727855417,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 6
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.12871029588160982,0.08052496731642673,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 6
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.11831493922576392,0.06814330435169019,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 6
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.11418310637384826,0.06400607506226652,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.10515728820869909,0.05891626328754577,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.10269102932225195,0.04750933942435305,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.10012415220206917,0.04628801382612599,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.09743312691202702,0.03766214861787719,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.09327092378940986,0.03612098999141195,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.08327176972041436,0.02908312202820469,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.07499021491723815,0.028017367864942404,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0652987281628924,0.026730280751158998,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.06270141594160158,0.02364684052121124,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.06112097924354415,0.02139113235751092,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 31
Rules: 15
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.057477651256096024,0.018409750210930744,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 378
Rules: 160
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.05274135691527123,0.016758997398964456,3
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:28 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 378
Rules: 160
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0448728526461442,0.016085850996302345,3
Mar 13, 2019 9:32:29 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:29 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 378
Rules: 160
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
Evaluate: 0.04367928530134034,0.01504308328041013,3
Mar 13, 2019 9:32:29 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 13, 2019 9:32:29 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 378
Rules: 160
Cached
Final rules: 8
Accuracy: NaN
Best rules size: 0
2019-03-13 21:32:29 rCBA: rules 0
	 took: 0.97  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