“…In this section, we provide a number of rough set methods that can be used in construction of classifiers. For more information the reader is referred, e.g., to [2,10,17,18,22,24,26,[29][30][31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][53][54][55][56][58][59][60]64,65,67,76,3,[83][84][85][86][87][88]93,[97][98][99][100][101][102][103]…”