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)
2019-03-12 11:37:47 rCBA: initialized
2019-03-12 11:37:47 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.8437900656612848,0.9946896387174846,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.8433664465481654,0.8423905555098793,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.6923581658751261,0.7301227112512302,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.5716093700351981,0.5911635133077383,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.5291273123235689,0.5264169477535944,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.4641117093977498,0.4877804348891426,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.44018013142532575,0.4424436170615633,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.43956563847092966,0.35774507561671715,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.3723652341421894,0.3167144327035857,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (0)
Frequent patterns: 0
Rules: 0
Cached
Final rules: 0
Accuracy: NaN
Best rules size: 0
Evaluate: 0.32179486125388096,0.2903959236665098,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (2)
Frequent patterns: 2
Rules: 2
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.30577971606948234,0.23518146672169046,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (2)
Frequent patterns: 2
Rules: 2
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.25998916442467646,0.21472463052097504,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.25782289358253685,0.18208011021491596,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.23584153362649823,0.1560046928425547,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (3)
Frequent patterns: 3
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.2228496965883635,0.1296810867463252,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 5
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.18690235268298544,0.11393093676336644,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 5
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.17050715643457837,0.10009747870739966,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 6
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.14811789624601832,0.08480484418140452,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 6
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1332058842247891,0.08474471393382038,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 6
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.12181457443820279,0.0793629338132949,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 6
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0986945422621659,0.07233562516218511,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (16)
Frequent patterns: 16
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.07915053949783456,0.06155251149334406,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (16)
Frequent patterns: 16
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.06622270815207863,0.054474001450273715,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (16)
Frequent patterns: 16
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.05691772096790127,0.044443660751920945,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 53
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0558663512206054,0.04344061110153072,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 53
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.05161846209510553,0.037253896697653895,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 53
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.04939230663494387,0.03605969536066483,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 53
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.044144081260118276,0.0290041333031796,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 53
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.04096391312866319,0.023658079870805055,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 53
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.03383549566056832,0.0195034070954493,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 53
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.03165730587587116,0.0188930519547135,1
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 12, 2019 11:37:47 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (53)
Frequent patterns: 53
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
2019-03-12 11:37:47 rCBA: rules 0
	 took: 0.61  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