Implement Precision-Recall Curve

[nocotan]

Summary

Compute precision-recall pairs for different probability thresholds.

Goal

Compute precision-recall pairs for different probability thresholds.

Todo

• add class PrecisionRecallCurve
• add function precision_recall_curve
• add unit tests

Deadline

yyyy / mm / dd

Parent issue

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References

https://scikit-learn.org/stable/modules/generated/sklearn.metrics.precision_recall_curve.html#sklearn.metrics.precision_recall_curve

Notes

Other comments.