In reply to Rick Wicklin.

Rick. I'm trying to find help, getting beta (PROC GLIMMIX Beta distribution) back on original scale

PROC glimMIX;
CLASS Phase TRT DAY ID;
MODEL DMIBWnew = TRT|phase /dist=beta DDFM=KR SOLUTION;
Random DAY/residual SUBJECT=ID;
LSmeans trt /DIFF ADJUST=SIMULATE (REPORT SEED=121211) cl adjdfe=row;
RUN; Quit;