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)
2018-10-31 21:17:09 rCBA: initialized
2018-10-31 21:17:09 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.008027523270982329,0.19293190300152085,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.007587716728873594,0.15909499862119228,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.00680180445643894,0.14171761469202585,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.006397172838503349,0.11339190149694782,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0060833102217412146,0.09293013485947116,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.005926036120802081,0.08362047274665946,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.005609176305463502,0.08280010373054658,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.005090978919609501,0.07141115509352497,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.00466548394217927,0.06114764434289937,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.00447368356460996,0.054647192563725674,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0038275737216867858,0.05270171777259466,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0036661364830703176,0.051631767716470836,1
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0033101116204029353,0.04698923300035064,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.002673334608775758,0.04421643277167234,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.002320662519843564,0.04145895344488519,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0019228380337380435,0.034865599960145974,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.001628149620102298,0.031838917913673666,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0013778062461930597,0.02570334562233608,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0013520621691342299,0.02306233827461781,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0013236766972248007,0.021324534215260302,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0012523694605079923,0.019115497215296977,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0010996983916305959,0.015554168563747379,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 9.475019474917448E-4,0.015296264675178731,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 8.322938610786474E-4,0.01260255704386975,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 7.286789003771658E-4,0.010594801350160561,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.772871929387988E-4,0.008864747669881805,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 6.695725759659082E-4,0.008016106663006521,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 5.98073556628535E-4,0.007221307658377304,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 5.068126455669336E-4,0.006237830712603999,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.1506025854699135E-4,0.005632197768150463,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 4.0614094680464276E-4,0.00511640483487439,1
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Oct 31, 2018 9:17:10 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (46)
Frequent patterns: 46
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
2018-10-31 21:17:10 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