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)
2019-02-28 21:21:46 rCBA: initialized
2019-02-28 21:21:46 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.9148856127023028,0.7919228549602848,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.8997154353284258,0.773961468539011,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.8841703845719535,0.7200886612325494,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.7941241040082501,0.5785290517157708,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.6838107887885173,0.49978185177779005,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.6269993485371093,0.4564010398056676,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.5970216402047956,0.43318041339876157,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.5943278306685796,0.42411140558790184,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.5427489882294706,0.35860440527349713,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.451073657775578,0.3285176202101629,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.37456935705578337,0.29057651717416266,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.35861948926795245,0.28856035616942016,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.3137333231659365,0.2807531190624899,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.2884118825509894,0.22665265719877134,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.2655532984880121,0.18964026945541926,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM 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: 0.2156842199888141,0.1662366389087123,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 6
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1951318467268271,0.1362278270350128,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (5)
Frequent patterns: 6
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.16181279674390828,0.11026619813040749,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 7
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.15010242761308343,0.10504234844746549,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 7
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.14954047380344115,0.0898718910283544,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 7
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.12035879090497234,0.07563992408870797,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 7
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1198733624111034,0.06881705001865701,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 7
Rules: 4
Cached
Final rules: 2
Accuracy: NaN
Best rules size: 0
Evaluate: 0.11455602528553165,0.0603779958497511,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 32
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.10112305996187468,0.05701116749372386,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 32
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.10005211267046943,0.055457624694607896,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 32
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.09722457858547875,0.05428643888072007,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 32
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.08695340857655516,0.04617819318050163,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 32
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.07390485432261354,0.03991362863475306,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 32
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.07116313759230458,0.03447535659812323,3
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:46 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 32
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.06411573973990908,0.032669922132841374,3
Feb 28, 2019 9:21:47 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:47 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (17)
Frequent patterns: 32
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.057634071783093835,0.02661644094466899,3
Feb 28, 2019 9:21:47 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Feb 28, 2019 9:21:47 PM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (52)
Frequent patterns: 375
Rules: 159
Cached
Final rules: 9
Accuracy: NaN
Best rules size: 0
2019-02-28 21:21:47 rCBA: rules 0
	 took: 1.09  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