MEDx Frequently Asked Questions - Statistics

Q: Why do I get an error saying "Group specified while assigning timepoints is not in the initial group list!" when I try to apply a paradigm file?

This is most probably because you have parentheses or some other special symbols defined in your paradigm files. Do not use special symbols like parentheses in your paradigm as this invariably causes problems.

It is safest to use underscores and hyphens when dealing with any UNIX software. Symbols like $, &, ( ) etc have special meanings and should be avoided.


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