data.table, tcltk, utils, stats, graphics, devEMF, png,
grDevices
data.table, tcltk, utils, stats, graphics, devEMF, png,
grDevices, ReporteRs
data.table, tcltk, utils, stats, graphics, devEMF, png,
grDevices, ReporteRs, methods, ggplot2, gridExtra