Hi Doug,
OK, I see. Thanks Doug.
All the best.
2013-12-19
Rujing Zha
发件人：Douglas N Greve
发送时间：2013-12-19 04:38
主题：Re: [Freesurfer] design matrix and contrast in fsgdf
收件人："Rujing Zha"
抄送："freesurfer"
yes
On 12/17/2013 10:06 PM, Rujing Zha wrote:
> Dear Doug,
>
--
> *发件人：*Douglas N Greve
> *发送时间：*2013-12-18 00:31
> *主题：*Re: [Freesurfer] design matrix and contrast in fsgdf
> *收件人：*"freesurfer"
> *抄送：*
> That looks correct. The contrasts for the 2nd example will test whether
> the score is equal to 0 or not
r not". Am I right?
Thanks.
All the best.
2013-12-18
Rujing Zha
发件人：Douglas N Greve
发送时间：2013-12-18 00:31
主题：Re: [Freesurfer] design matrix and contrast in fsgdf
收件人："freesurfer"
抄送：
That looks correct. The contrasts for the 2nd example will test whether
the score is equal
That looks correct. The contrasts for the 2nd example will test whether
the score is equal to 0 or not (and not an interaction between diagnosis
and score). It is not wrong, but I just wanted to make sure you know
what you are testing.
doug
On 12/17/2013 01:50 AM, Rujing Zha wrote:
> Dear al
Dear all,
I want to design a group t-test analysis and correlation analysis for pial
thickness. I have read the PPT of freesurfer.groupanalysis, and I wrote a
specific design matrix and contrast for my data. However it is the first time
that I design matrix in fsgdf by freesurfer. I didnot confi
