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I found that when you fit a very imbalanced dataset, the CoxPHFitter models led to a singular error because the k_fold_cross_validation does not ensure the folds include both case & non-case participants.
Do you have any solution for this or are you going to implement Sklearn stratified K-fold CV?
Thanks
The text was updated successfully, but these errors were encountered:
Hi team,
I found that when you fit a very imbalanced dataset, the CoxPHFitter models led to a singular error because the k_fold_cross_validation does not ensure the folds include both case & non-case participants.
Do you have any solution for this or are you going to implement Sklearn stratified K-fold CV?
Thanks
The text was updated successfully, but these errors were encountered: