I am running a regression model to test the relationship between cortical thickness and reading ability (wiat word comp) while controlling for sex, scanner (scans obtained at 2 different sites), and age as nuisance variables. I'd like to confirm that I've set up the contrast matrix correctly:
0 0 0 0 0 0 0 0 .25 .25 .25 .25
The first chunk of the y.fsgd file is pasted here for reference:
GroupDescriptorFile 1
Title CMI_freesurfer_2020
MeasurementName external
Tessellation surface
PlotFile /Volumes/Haskins-NC0037-UUGAGE/shares/Research/A223/CMI/flux/flux/lh.gender_age.thickness.10B.mgh
DesignMatFile X.mat dods
dods
DeMeanFlag 1
ReScaleFlag 1
ResidualFWHM 14.975231
LogY 0
Class MaleCBIC
Class MaleRU
Class FemaleCBIC
Class FemaleRU
Variables Age wiat_word_comp
Input sub-NDARAB348EWRrun-02_new MaleCBIC 5.80538 22
Input sub-NDARAE877NERrun-02_new FemaleCBIC 11.3413 38.5
Input sub-NDARAX277ATUrun-01_new MaleCBIC 16.5465 48.5
Input sub-NDARBK106KRHrun-01_new MaleCBIC 9.69096 33
Input sub-NDARBN620TT7run-02_new FemaleCBIC 15.2318 33
Input sub-NDARCG785NNDrun-01_new FemaleCBIC 9.50479 6
Input sub-NDARCH628LKWrun-01_new MaleCBIC 7.27287 24
Input sub-NDARCW932EU6run-01_new MaleCBIC 9.17842 37.5
Input sub-NDARDA656RBNrun-01_new MaleCBIC 7.07849 16.5
Input sub-NDARDB720VEArun-01_new MaleCBIC 8.95996 16
Thank you!
Meaghan
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Meaghan Perdue
she | her | hers
PhD Student
Developmental Psychology
Neurobiology of Language
University of Connecticut
Bousfield A302