[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: GLM factorial analysis
|
From: |
Jason Stover |
|
Subject: |
Re: GLM factorial analysis |
|
Date: |
Mon, 25 Jul 2011 14:29:07 -0400 |
|
User-agent: |
Mutt/1.5.18 (2008-05-17) |
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?