I am trying to cluster a datset based on several nominal inputs and one interval level input. I'm getting the error of the max target levels of 512 being exceeded - and I think it may be because SAS is reading the interval input as nominal data. When I try to change this under the File Import Node (Train - Variables), the option to change this variable to the nominal level is greyed out.  Does anyone know how I can change the variable nominal to interval ?  ... View more