e that age is not a
> > significant factor in this analysis?
> >
> > Any comments and corrections welcomed.
> >
> > Many thanks,
> >
> > Rysia
> >
> > -Original Message-
> > From: Michael Harms [mailto:mha...@conte.wustl.edu]
&g
2009 15:01
To: Burmicz, Ryzarda
Cc: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] DODS/DOSS choice in patient/control study
Hello Rysia,
I'll add a comment by calling your attention to one statistical
"subtlety". When using a DODS ("separate slopes") model i
e-
From: Michael Harms [mailto:mha...@conte.wustl.edu]
Sent: 13 January 2009 15:01
To: Burmicz, Ryzarda
Cc: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] DODS/DOSS choice in patient/control study
Hello Rysia,
I'll add a comment by calling your attention to one statistical
Hello Rysia,
I'll add a comment by calling your attention to one statistical
"subtlety". When using a DODS ("separate slopes") model in the presence
of a continuous covariate, and then examining the significance of the
group effect, the interpretation (and results) depend critically on the
meani
