See the attached tar file. expected.txt is what spss gives (apparently) pspp.txt is what pspp gives. fdequal.sps is the syntax, which has a test both with and without interaction.
I hope the problem is clear from this.
J'
On Mon, Jul 25, 2011 at 02:29:07PM -0400, Jason Stover wrote:
On Mon, Jul 25, 2011 at 09:11:21AM +0000, John Darrington wrote:
> The sum of squares for factors with interactions are correct, and all
the degrees of
> freedome are correct. Unfortunately the ssq for factors without
interactions are
> wrong (my experiments showed 3.0 and 3.5 times too high) if the analysis
also
> includes interactions between those factors.
>
> However, if the analysis is run on the individual variables, without the
interactions,
> then the results are correct.
>
> So I think the get_ssq function needs some more work.
Can you send syntax and output that shows the problems?
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