Hi, how i can use this option in Random Forest . when i transform my vector (100 features ) i have 20 categoriel feature include.
if i understand categorielFeatureinfo , i should past the position of my 20 categoriels feature inside of the vector containing 100 with map{ positionof feature inside vectorassmble: numbre of arrangements} ok but how i can find the right position giving vectorassmbler result (order change inside vector) ? LabledPoint(0.1,Vector.dense(0,1,2,.....,20,...30,.....100}) thanks