8000 Update _scorer.py by helper-uttam · Pull Request #20316 · scikit-learn/scikit-learn · GitHub
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Update _scorer.py #20316

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Update _scorer.py #20316

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8 changes: 8 additions & 0 deletions sklearn/metrics/_scorer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@
brier_score_loss,
jaccard_score,
mean_absolute_percentage_error,
root_mean_squared_log_error,
)

from .cluster import adjusted_rand_score
Expand Down Expand Up @@ -585,6 +586,10 @@ def make_scorer(
needs_threshold=False,
**kwargs,
):

def root_mean_squared_log_error(y_true, y_preds):
return np.sqrt(mean_squared_log_error(y_test, y_preds))

"""Make a scorer from a performance metric or loss function.

This factory function wraps scoring functions for use in
Expand Down Expand Up @@ -690,6 +695,9 @@ def make_scorer(
neg_mean_absolute_percentage_error_scorer = make_scorer(
mean_absolute_percentage_error, greater_is_better=False
)
neg_root_mean_squared_log_error_scorer = make_scorer(
root_mean_squared_log_error, greater_is_better=False
)
neg_median_absolute_error_scorer = make_scorer(
median_absolute_error, greater_is_better=False
)
Expand Down
0