I pasted the wrong code at first (had param=ref) and edited it after I posted it. The log is vague - it just says it's invalid or is not in the proper order. Weird. I wonder if it's a patch thing or version issue. ... View more

Here's my code: proc logistic data = test ; class gender_code (ref='M') const (ref='1') back (ref='1')/param=glm; model employed1 (event='1') = const back gender_code gender_code*back gender_code*const const*back/ rsq lackfit; slice const*back/sliceby back; oddsratio back; oddsratio const; oddsratio gender_code; run; ... View more