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JMP 7 and JMP 10 give different R2 and p-value in fit model with random effect
May 24, 2013 12:12 PM(2936 views)
We are currently applying for a research grant and today we found different JMP versions (i.e. JMP 7 vs JMP 10) give different R2 and final p-values using Fit Model where one of variable was set as a random effect. Why is this happening and is there way (such as turning on/off option somewhere in the preference menu) to unify the results?
I can't tell you why, for certain, but I would expect it has to do with the REML functionality (if you're using REML) being improved in later version. Additionally, there may have been some parameterization changes in later version. I know for the same data analyzed in JMP and another package, I can get different VIFs, different R^2, etc... none too greatly different, but sufficient that it causes me to scratch my head.