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)
2019-03-15 11:39:57 rCBA: initialized
2019-03-15 11:39:57 rCBA: data 20x5
	 took: 0  s
Evaluate: 0.49879979521734596,0.03976244499544879,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 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: 0.439764758636785,0.03661748617783193,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 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: 0.3591466601290827,0.03489203966113974,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 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: 0.2874763137147612,0.029466175456279067,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 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: 0.23881593388861325,0.02876684598620383,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 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: 0.19728262331546065,0.02305275642936975,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (4)
Frequent patterns: 4
Rules: 3
Cached
Final rules: 1
Accuracy: NaN
Best rules size: 0
Evaluate: 0.16415878978647735,0.019131134441953652,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 8
Rules: 5
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.14275769397301952,0.015792863028020576,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 8
Rules: 5
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.13911438304929338,0.014545349311853787,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 8
Rules: 5
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.13533903343545622,0.012418403097277814,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 8
Rules: 5
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.1289606691969454,0.009987594031797437,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (6)
Frequent patterns: 8
Rules: 5
Cached
Final rules: 3
Accuracy: NaN
Best rules size: 0
Evaluate: 0.11436630259558557,0.009790097777380276,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (16)
Frequent patterns: 30
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.11087465172657134,0.009017886242676156,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (16)
Frequent patterns: 30
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.09160276448037265,0.008546195243271316,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (16)
Frequent patterns: 30
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.07848520310205968,0.006850976560182263,3
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:57 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (16)
Frequent patterns: 30
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.06935889476532985,0.005565834868703554,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (16)
Frequent patterns: 30
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.0636492448178396,0.005562395371696693,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (16)
Frequent patterns: 30
Rules: 15
Cached
Final rules: 7
Accuracy: NaN
Best rules size: 0
Evaluate: 0.058331794059226824,0.005157808317443641,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.05520904414031468,0.004866914106535906,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.046785320028172823,0.004160361087722217,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.04244217931859785,0.003999438920644809,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.03678351695091356,0.0037741658576337343,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.03168612562182434,0.003575438248812242,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.030437196836754405,0.003144744709879816,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.029308118470342502,0.0029612205169988687,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.027846236579676144,0.0028356980220979947,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.02407903526732488,0.0023002797326163575,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.023523298393008766,0.0021001904023641048,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.02169569805332734,0.0019476876946424408,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.020398182634558358,0.0017405669297713773,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
Evaluate: 0.018705475028445804,0.0017062793369339246,3
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: start
Mar 15, 2019 11:39:58 AM cz.jkuchar.rcba.fpg.FPGrowth run
INFO: FPG: tree built (54)
Frequent patterns: 378
Rules: 159
Cached
Final rules: 10
Accuracy: NaN
Best rules size: 0
2019-03-15 11:39:58 rCBA: rules 0
	 took: 1.01  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