Error message in logistic regression
I'm trying to run logistic regression with 2 factors and 29 participants. I get an error message "leading minor of order 20 is not positive definite." Could someone tell me how to deal with this? Thanks!
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The error message means that there is a problem in estimating the parameters; somehow the model is overparameterized and there is no unique solution. Could you share the data, or some anonymized version of it?
Cheers,
E.J.