sklearn.metrics.get_scorer

sklearn.metrics.get_scorer(scoring)

Get a scorer from string.

Read more in the User Guide. get_scorer_names can be used to retrieve the names of all available scorers.

Parameters:

scoringstr, callable or None

Scoring method as string. If callable it is returned as is. If None, returns None.

Returns:

scorercallable

The scorer.

Notes

When passed a string, this function always returns a copy of the scorer object. Calling get_scorer twice for the same scorer results in two separate scorer objects.