Plot results of permutation tests
Plot.Permutation(mSetObj=NA, imgName, format="png", dpi=72)
Input the name of the created mSetObj (see InitDataObjects)
Input a name for the plot
elect the image format, "png", of "pdf".
Input the dpi. If the image format is "pdf", users need not define the dpi. For "png" images, the default dpi is 72. It is suggested that for high-resolution images, select a dpi of 300.