External validation on new data
Usage
external_validate(predict_fn, X_external, y_external, X_development = NULL)
Arguments
- predict_fn
A function (X) -> probability vector
(model already bound by closure).
- X_external
Matrix or data frame of features.
- y_external
Outcome vector.
- X_development
Optional development-data features for KS-based
domain-shift diagnostics.