Dear All:
I am using SPM2 and have found that, although, by default, regressors are orthogonalized, this is not always something considered desirable.
I am trying to learn more about the process. Specifically, I am trying to understand exactly _what_ is being orthogonalized and what specifically is being done.
Any pointers or hints much appreciated. I have found the relevant call in spm_get_ons and the spm_orth function, but am looking for a slightly more detailed explanation.
Thank you
Misha Koshelev
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Misha Koshelev
MD/PhD Student
Human Neuroimaging Laboratory
One Baylor Plaza
S104
Baylor College of Medicine
Houston, TX 77030
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