Individual skill

rdd

Design, estimate, validate, and write up a regression discontinuity analysis, in both the continuity and local-randomization frameworks, with the full falsification battery and a refusal rule for designs that fail validation. TRIGGER on "regression discontinuity", "RDD", "running variable", "score cutoff", "rdrobust", "bandwidth selection", "McCrary test", "density test", "fuzzy RD", "regression kink", "local randomization", "donut", "geographic RD", "boundary discontinuity", "multiple cutoffs", "heaping", "rddensity", "rdlocrand", "RDHonest", or any setting where treatment switches at a known score threshold (loyalty tiers, spend thresholds, ranking cutoffs, algorithmic triggers, eligibility scores, age or tenure rules).

skills/rdd/SKILL.md

Source commit 760aa99b8b270a01a2c6b0aac4e28132a9bea11e

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Nov 7, 2026

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