Re: [Freesurfer] How can I include 3 covariates in my GLM model

2011-09-20 Thread Nick Schmansky
you can select age, IQ and mean thickness as 'nuisance' variables, and then your group can be the main discrete variable. as for mean thickness causing a failure, it it probably the case that the values are too close to each other. treating mean thickness as a covariate is probably not necessary

[Freesurfer] How can I include 3 covariates in my GLM model

2011-09-20 Thread Dalwani, Manish
Hello Freesurfer's, I am using QDEC and I have created and FSGD descriptor file with 2 groups (pts and ctrls) and three continuous variables: age, IQ and mean thickness. I have 2 questions: 1. I can only choose 2 covariates at one time? How can I choose all three covariates in one model in