No, it will re-run and re-write the analysis, but that usually only takes a few min and the results will be identical. BTW, you can give it multiple contrasts on the cmd line.

doug

Jerry Yeou-Wei Chen wrote:

Hi,

Just a very quick question about the glmdir flag for mri_glmfit when running the group analysis via command line: If I am interested in multiple contrasts, can glmdir be the same for subsequent iterations of mri_glmfit with different contrast vectors? (I understand that each contrast comes up as a corresponding subdirectory... but are there any issues with overwriting any files in the glmdir?)

Thanks,

• Jerry

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