DiD-based engine measuring drug substitution coefficients across 150+ pharmacy markets. For each of 6,264 drugs: COEF_1 (retention on stockout), decomposition (COVERAGE × CONDITIONAL), and composite RELIABILITY_SCORE. Python pipeline, parallel processing, 16 validation invariants.
python data-science multiprocessing pandas methodology parquet difference-in-differences pharmaceutical-analytics substitution-analysis pharma-retail
-
Updated
May 11, 2026 - Python