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re: st: margins after split-plot anova
From
Luca Campanelli <[email protected]>
To
"[email protected]" <[email protected]>
Subject
re: st: margins after split-plot anova
Date
Thu, 21 Jun 2012 17:20:19 +0100 (BST)
Thank you very much, David.
This works:
anova depvar c.IQ group / id|group label label#group label#c.IQ , repeated (label)
margins, within(group)
However it seems that margins does not take into account the continuous covariate in the model (c.IQ). In other words, “margins, within(group)” produces the same results after this
anova depvar c.IQ group / id|group label label#group label#c.IQ , repeated (label)
and after this
anova depvar group / id|group label label#group , repeated (label)
(spss produces different estimates for the model with or without continuous covariate, which makes sense).
The options atmenas / asbalanced don’t change the results.
Any idea why?
Thank you,
Luca
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