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)
2018-09-29 21:05:08 rCBA: initialized
2018-09-29 21:05:08 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.07944593100570685,0.5473097407874249,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 18
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0781453587708765,0.4982694475643265,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 18
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.06528862709790652,0.47356932504392285,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (18)
Frequent patterns: 18
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.059121833554874645,0.40064238693708387,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 0
Cached
Final rules: 0
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.05043326108821325,0.3700990757803751,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.04997658068065983,0.31903514054095605,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0453879970852762,0.31564203425942705,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.04200268234891091,0.27573081605731375,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.035622024788984095,0.2528360332572844,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 2
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.03391134872590379,0.20396332794452837,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.030277019970879462,0.1721310464192499,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.028612258962818098,0.16905124242454342,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.023039791478213254,0.15876646223747898,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.019575990148024188,0.1398608352872397,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.01759798804647401,0.13763925547014813,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.01689446674948436,0.113585427159065,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.015189349277363982,0.09879770203123739,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.014045345894265197,0.09722948250924618,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.01229851154527155,0.08784220220496809,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.010012554997644887,0.0770097592130523,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.008079687914442255,0.0688713198172079,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.006967626952045047,0.06785387147674474,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.006954332496528425,0.05738429325404688,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.005589654799454135,0.0467401909635393,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.005471940412996733,0.042919596298912344,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.004739739905601059,0.04021550613317933,1
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:08 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.00396929881923857,0.038195422993402436,1
Sep 29, 2018 9:05:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.003384717577512311,0.032448552603191246,1
Sep 29, 2018 9:05:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0027248631200557216,0.026522479682279658,1
Sep 29, 2018 9:05:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0025803667017381565,0.022106586371832708,1
Sep 29, 2018 9:05:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
Evaluate: 0.0023344612176139637,0.020127282646736997,1
Sep 29, 2018 9:05:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Sep 29, 2018 9:05:09 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (42)
Frequent patterns: 42
Rules: 3
Cached
Final rules: 1
Accuracy: 0.0
Best rules size: 0
2018-09-29 21:05:09 rCBA: rules 0
	 took: 0.98  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