Hello, I was handed a past research project that never got finished and keep getting differences in treatment means with the code I am using. It's been a while since I have used SAS and done statistics. My differences seem to be in the model statement. I cannot remember what the "P=" is supposed to mean but my differences seem to be resulting from that as my data and model is exactly the same except that one statement has P=0.61 and the other has P=0.9361. This is probably a dumb question but I am having a hard time remembering. Could anyone clarify this for me? proc mixed; class trt rep pvt year; model iw=trt year; *trt*year (P=0.61); random pvt; lsmeans trt year /pdiff; run;. proc mixed; class trt rep pvt year; model ibw=trt year; *trt*year (P=0.9361); random pvt; lsmeans trt year /pdiff; run;
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