Renamed plot.R to corplot.R
Added par(cex=1.3) after all tiff()
Enlarged the height of tiff if nrow(imp) > 6
Integrated the title() line into plot() with main=
Replaced par(cex=1.3) by par(cex.lab=1.3,cex.axis=1.3,cex.main=1.3)
Used the short forms RMSE, SD, Rp, Rs, Rk in ylab in xtrn.R and xmdl.R
Added range=0 to all boxplots
Replaced ### by 0),1),2),3),4)