{"slug":"davila7-senior-data-scientist","source_name":"davila7/senior-data-scientist","name":"Davila7/Senior Data Scientist","description":"World-class data science skill for statistical modeling, experimentation, causal inference, and advanced analytics. Expertise in Python (NumPy, Pandas, Scikit-learn), R, SQL, statistical methods, A/B testing, time series, and business intelligence. Includes experiment design, feature engineering, model evaluation, and stakeholder communication. Use when designing experiments, building predictive models, performing causal analysis, or driving data-driven decisions.","version":1,"lift":{"pass_rate_delta_pts":72,"pass_rate_pct":100,"total_cases":25,"passed_cases":25,"tokens_delta_pct":77.5,"turns_delta_pct":0,"verdict":"pass","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-12T20:15:40.925528+00:00"},"skill_score":null,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":72,"with_pass_pct":100,"without_pass_pct":28,"tokens_delta_pct":77.5,"turns_delta_pct":0,"total_cases":25,"cases_aggregated":25,"verdict":"pass","never_hurt":true,"completed_at":"2026-08-12T20:15:40.925528+00:00","run_id":"36e385c1-ad27-4234-9efa-2b419aebd97c","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"manifest_hash":"f1f528bad2b09100d514c0381625d7005d67e1757463af7baddd534e52258624","raw_url":"https://app.decimal.ai/s/davila7-senior-data-scientist/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/davila7-senior-data-scientist"}