Re: [Freesurfer] Group Analysis Contrast (Follow-up)

2018-04-17 Thread Douglas Greve
You need to put in age, weight, AND age*weight. If you have two classes and use DODS, then the contrast would be 0 0 0 0 0 0 0.5 0.5 On 4/13/18 8:02 PM, David S Lee wrote: Hi Douglas, Thank you for your reply. To follow up, I am setting up GLM analysis with 1 categorical variable and 1

[Freesurfer] Group Analysis Contrast (Follow-up)

2018-04-13 Thread David S Lee
Hi Douglas, Thank you for your reply. To follow up, I am setting up GLM analysis with 1 categorical variable and 1 continuous variable (age X weight). My fsgd looks like this: *GroupDescriptorFile 1* *Title Cortical Thickness Interaction between Age and Weight* *Class class1 plus blue* *Class