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unfoldtoolbox / Unfold.jl

Neuroimaging (EEG, fMRI, pupil ...) regression analysis in Julia
MIT License
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Overcomplete designmatrix results in weird behavior #81

Open jschepers opened 2 years ago

jschepers commented 2 years ago

There is currently no check for overcomplete designs, which sometimes results in parameter-blowup (betas of >e^14).

This was also seen with matrices that were fullrank (according to LinearAlgebra.rank). We might want to introduce VIF or something similar to check for this.