On 10/11/2016 11:41 AM, kinson li wrote:
> /Hello, /
> /
> /
> /Question 1: I would like to conduct an Unpaired T-test group 
> analysis, I have two group of people, Group A8 age is 8 and Group A9 
> age is 9, and I to test the/ change in thickness with age. But I am 
> little confusion about the matirx and FSGD design. I am appreciated if 
> you can take a look at my FSGD file and Matrix file. Please correct me 
> if I am wrong,
that looks right. The contrast will comppute A9-A8
>
> Question2 : I am using tksurfer to analysis the brain thickness, and I 
> have a question about setting threshold, for I am not so sure about 
> the relation between threshold and Min.
> is the equation  Min = -log10(threshold) 
> correct?(https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/Visualization) 
>
> For example, if I want the threshold to be 0.05, and the Min will be 
> set to 1.3
> Please see the image attached in this email, and correct me if I am 
> wrong.
You are correct
>
> Thank you!
>
> Jincheng
>
>
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