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)
2019-03-16 21:35:55 rCBA: initialized
2019-03-16 21:35:55 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.21001449021837626,0.7929133793955795,1
Mar 16, 2019 9:35:55 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:55 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 5
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1830310393846334,0.6431338124537617,1
Mar 16, 2019 9:35:55 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:55 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 5
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.15953166409852157,0.6035681966006577,1
Mar 16, 2019 9:35:55 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:55 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 6
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.14632457359735612,0.49433934802875185,1
Mar 16, 2019 9:35:55 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:55 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 6
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.13451431374409945,0.48885061481652775,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 6
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1312134410717293,0.477947503365995,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 6
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1293735232724324,0.4189882078779322,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 6
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.10662042292025681,0.3703215589540228,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 18
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.09080838773437283,0.3256034545521348,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 18
Rules: 2
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.07756822700652946,0.26092622070572896,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 18
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.062383033483807956,0.25540564062509036,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 18
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.05648246331508366,0.23748443676220676,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0515627032811463,0.20290846480924962,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.048347537944040044,0.19971084940278178,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.039393529966195474,0.1893278217758687,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.036493908959609786,0.1878243076591295,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.03343917771099225,0.17809312190844398,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.026779846180700274,0.15169219210178522,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.02598299362866848,0.12505594742449969,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.02543740496174447,0.12389157758810912,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.021723442114052683,0.12309351752632464,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.019477581909619072,0.09976262213233533,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.016429582678982962,0.09007859600808883,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.014387378740327885,0.08236895566493464,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.013751626896618819,0.07194398388804919,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.012826941575952842,0.07010524951195675,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.010452755933530062,0.06049528887597237,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.00928641459323014,0.0552600016909598,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.009153408234022622,0.04869942668693497,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0073897172421406735,0.041629920017761134,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.006027312663585733,0.03819615211517039,1
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 16, 2019 9:35:56 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (50)
Frequent patterns: 50
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
2019-03-16 21:35:56 rCBA: rules 0
	 took: 0.71  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