Used the number of complexes to rename *-iy.csv and *-yxi.csv
Avoided creating trn-$ntrn folders
Separated mlr.R into mlrtrain.R and mlrtest.R
Looped ntst over $ntsts in traintest.sh instead of mlrtest.R
Echoed one -stat.csv at a line
Added mlrtrain.R for x4 and x2
Moved x{2,4}/mlr/mlr{train,test}.R to x{2,4}
Moved x{2,4}/mlr/mlr{train,test}.R to x{2,4}
Moved x{2,4}/mlr/mlr{train,test}.R to x{2,4}
Added mkdir -p mlr and mkdir -p rf in traintest.sh
Added iyprplot.R