[Freesurfer] qdec covariates

2013-03-28 Thread stdp82
Hi list,I'm performing qdec. This my file.dat1 diagnosis discrete 21 Pathology2 Controls2 Thickness_lh continuous 03 Thickness_rh continuous 04 NPStest continuous 0Continuous Factors: Mean: StdDev:--- -

Re: [Freesurfer] Qdec covariates

2007-10-31 Thread Nick Schmansky
Alex, The answer to the second question is yes (that group contrasts are run level_1 - level_2). When the qdec Analysis button is pressed, each contrast matrix is printed to the terminal, something like this: . . . Diff-Demented-Nondemented-Intercept-thickness --- Does the

Re: [Freesurfer] Qdec covariates

2007-10-30 Thread Doug Greve
The answer to the first question is yes, it will covary (or regress out) for the continuous variable. For question #2, I also believe that the answer is yes, though Nick may be able to say definitively. doug Alexander Fornito wrote: Hi all, If i run a model in qdec that inludes 1 discrete

[Freesurfer] Qdec covariates

2007-10-29 Thread Alexander Fornito
Hi all, If i run a model in qdec that inludes 1 discrete and 1 continuous factor, does the output for the group contrast covary for the continuous variable? For example, if I want to compare two groups, and include group as my discrete factor and age as a continuous factor, will the output for the