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Re: GENLINMIXED EMMEANS don't agree with descriptives

Posted by Andy W on Mar 02, 2021; 4:02pm
URL: http://spssx-discussion.165.s1.nabble.com/GENLINMIXED-EMMEANS-don-t-agree-with-descriptives-tp5740214p5740239.html

Well, it does not mean the model is wrong Jason, we are just talking about
different ways of summarizing the same data.

I was actually wrong in guessing it set the random intercepts to 0, it
appears to just calculate them through. See an excel spreadsheet I did
quickly when printing off the random intercepts in this example,

https://www.dropbox.com/s/cu3mbgpof1klech/EMMEANS_Example.xlsx?dl=0

You could calculate the EMMEANS yourself, I show how to set the random
intercepts to 0 overall (which gives you your expected behavior Jason of
marginal = estimated). I don't know offhand how folks do the standard error
estimates for EMMEANS though.

If folks from SPSS pay attention here, this suggests it would be useful to
add an option to /EMMEANS_OPTIONS to set the random effects to particular
values, e.g.

/EMMEANS_OPTIONS SUBJECT=0

or something like that. Currently only supports setting the fixed effects to
particular values.



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Andy W
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http://andrewpwheeler.wordpress.com/
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Andy W
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