Running examples in 'rCBA-Ex.R' failed
The error most likely occurred in:

> ### 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)
2019-04-18 03:36:06 rCBA: initialized
2019-04-18 03:36:06 rCBA: data 20x5
	 took: 0.01  s
Evaluate: 0.011797230110325185,0.64444305963318,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 46
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.010202133147606375,0.5716850681501536,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 46
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.00890345413517683,0.5509742711954145,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 46
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.007508271729553314,0.44810307025173757,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 50
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.006015850279487487,0.4112502601972042,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 50
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0051908691679065375,0.36865049546929624,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 52
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.004534526280668586,0.320754035350632,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.004505805022769079,0.29684043810323263,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 57
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.004127640786079349,0.2714974142305852,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 58
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.003919066214781238,0.22242699202885285,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 58
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0034595813812411343,0.21401677744910438,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 58
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0033341171715030715,0.1971088904964105,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.003176640263650019,0.16499106482210132,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0026610481048076045,0.13368298051018554,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0025918896897864554,0.12092204185545737,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0023694723418913152,0.10690936834513119,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.002006602183587586,0.10321467483946092,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0018702576718099366,0.09918009248587237,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0015125159568872022,0.09387085281875973,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0013582646698534417,0.09328011327246664,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0011247551970866203,0.07838492815040489,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 9.859696759724863E-4,0.06635023114380491,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 8.337471704150126E-4,0.05337697638324411,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 7.864290360095547E-4,0.05238006904003378,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 6.373541929361496E-4,0.04792504835073682,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 5.555858611885072E-4,0.03994064836954642,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 5.284807989776239E-4,0.03950991148887514,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 4.4093709540854095E-4,0.031932855276997324,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 3.943657466901327E-4,0.030082013450331253,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 3.4782549623764387E-4,0.024874856077745523,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 3.1177003339572364E-4,0.02284941787467631,2
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Apr 18, 2019 3:36:06 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (53)
Frequent patterns: 209
Rules: 59
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
2019-04-18 03:36:06 rCBA: rules 0
	 took: 0.39  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