I am using sas v9.3 proc genmod to model a continuous outcome: PROC GENMOD;
class number train bl/param=glm;
model y= train age mt pn eo tncc bl;
effectplot fit (x=mt plotby=train)/obs;
repeated subject=number/type=ar rupdate=2;
run; My class variable train has 8 levels, but the effectplot displays on trainer 1, 4, 5, 6, 7, and 8. Trainers 2 and 3 are ommited for some reason. If a perform a slicefit plotby train, all levels are displayed, but that isn't the graph I really want. Any reason two levels of my class variable are being omitted? Thanks! Katy
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