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)
2018-12-03 01:17:31 rCBA: initialized
2018-12-03 01:17:31 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.01529260989866521,0.1730481376018096,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.012286728433097745,0.16577410233948825,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.011874075789986591,0.1510013054598133,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.01030057652220967,0.12085723429812147,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.008722551266183874,0.10889470804754602,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.008572176328496568,0.10866697439051334,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0069012163183438755,0.10679940925387123,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.005855347006974657,0.10360715218346503,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0051375055459011105,0.0967057594346993,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.004968645320886318,0.07930237743909414,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.004062323563555586,0.0656071384789535,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0032674549484388695,0.059838131643410494,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.003042362894959981,0.058531295554633676,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0030386868196089875,0.054915347722152064,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0027317757632852133,0.049895125373010024,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0027022369647306775,0.04342538524591382,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.002487927291994582,0.04128108174567529,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.002335946857089751,0.035354295009637035,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0019246461817714704,0.030684309764973113,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0015639808141434332,0.027221076102913168,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0013528359777554145,0.024128300442709676,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.001199143300446565,0.022475743075498926,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0011681070718269349,0.02072607102273509,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0010027046684390527,0.017029180532124526,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 9.910077184517923E-4,0.013676263205093223,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 8.591648046945564E-4,0.01164306317406684,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 8.233675372914918E-4,0.010421754804560042,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 7.582267077630629E-4,0.008826803672845633,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.943715643015138E-4,0.0085098593310187,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.24690751347392E-4,0.008225138098354632,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 5.898157306787048E-4,0.007668208970822526,1
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: start
Dez 03, 2018 1:17:31 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFORMATION: FPG: tree built (45)
Frequent patterns: 45
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
2018-12-03 01:17:31 rCBA: rules 0
	 took: 0.19  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