Table A1.

R packages.

R Package Name	Version
caret [48]	6.0–84
data.table [49]	1.12.2
tidyr [50]	1.0.0
dplyr [51]	0.8.3
packrat [52]	0.5.0
randomForest [45]	4.6–14
xgboost [39]	0.90.0.2
rpart [38]	4.1–15
rpart.plot [53]	3.0.8
ggplot2 [54]	3.2.1