evalml.objectives.F1.optimize_threshold¶
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F1.optimize_threshold(ypred_proba, y_true, X=None)¶ Learn a binary classification threshold which optimizes the current objective.
- Parameters
ypred_proba (pd.Series) – The classifier’s predicted probabilities
y_true (pd.Series) – The ground truth for the predictions.
X (pd.DataFrame, optional) – Any extra columns that are needed from training data.
- Returns
Optimal threshold for this objective