Calculates permutation-based feature importance using DALEX.
Usage
xai_importance(
explainer,
n_perm = 10,
loss_function = "1 - auc",
features = NULL
)
Arguments
- explainer
A DALEX explainer
- n_perm
Number of permutations (default: 10)
- loss_function
Loss function ("1-auc" for classification)
- features
Optional: subset of features to evaluate
Value
A model_parts object with importance scores