I am running SAS9.4TS1M4 on Windows 7. I am able to run following proc mixed code without any problem. proc mixed data=InDat; class ID; model Y = T T*T T*T*T T*T*T*T T*T*T*T*T T*T*T*T*T*T/ddfm=kr solution outpm=predictm; random int T/subject=ID type=un; run; However, when I add in the option to get estimates for the random effects (see code below), proc mixed hangs without giving any results. The last log message before it hangs is "NOTE: Convergence criteria met". proc mixed data=InDat;
class ID;
model Y = T T*T T*T*T T*T*T*T T*T*T*T*T T*T*T*T*T*T/ddfm=kr solution outpm=predictm;
random int T/subject=ID type=un solution;
run; My company recently switched from SAS9.2 to SAS9.4. I was able to run the same code and get the random effect estimates using SAS9.2 (installed on the same computer) without any problem. Any idea what the problem is? Thanks in advance.
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