Explainer: False Positives vs. False Negatives in Medical Risk Models

[yakew7]

Summary

Second README-promised healthcare explainer: how the direction of error matters, and why false negatives cluster in historically undertreated groups.

Why

Complements "Why Accuracy Is Not Enough" and the Equalized Odds explainer (TPR/FPR parity).

Tasks

• explainers/false-positives-negatives-medical.md
• Per-group FP/FN breakdown code, numbered limitations, further reading
• Cross-link to equalized-odds, calibration; add to site + README + CONTRIBUTING