election-data-source-countypres
DAAF-Contribution-Community/daaf/.claude/skills/election-data-source-countypres/SKILL.md
County Presidential Returns 2000-2024 (MIT MEDSL). Vote shares, party trends, turnout by county_fips (joins census/education data). Requires HARVARD_DATAVERSE_API_KEY set via environment_settings.txt. Critical: naive mode='TOTAL' filtering silently drops ~1,000 counties in post-2020 data where states report by vote mode (absentee, election-day, provisional) instead of totals — use 3-pattern reconstruction (TOTAL-present rows kept, breakdown-only counties summed across modes, empty-string mode rows reclassified). Categorical variables use uppercase strings, not Portal integer codes.
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Licensed with conditions — read it at the source. Read it on GitHub.
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CLAUDE.md
Skill
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- daaf-deploy-smoke-testing.claude/skills/daaf-deploy-smoke-testing/SKILL.md
- daaf-orchestrator.claude/skills/daaf-orchestrator/SKILL.md
- data-scientist.claude/skills/data-scientist/SKILL.md
- education-data-context.claude/skills/education-data-context/SKILL.md
- education-data-explorer.claude/skills/education-data-explorer/SKILL.md
- education-data-query.claude/skills/education-data-query/SKILL.md
- education-data-source-campus-safety.claude/skills/education-data-source-campus-safety/SKILL.md
- education-data-source-ccd.claude/skills/education-data-source-ccd/SKILL.md
- education-data-source-crdc.claude/skills/education-data-source-crdc/SKILL.md
- education-data-source-eada.claude/skills/education-data-source-eada/SKILL.md
- education-data-source-edfacts.claude/skills/education-data-source-edfacts/SKILL.md
- education-data-source-fsa.claude/skills/education-data-source-fsa/SKILL.md
- education-data-source-ipeds.claude/skills/education-data-source-ipeds/SKILL.md
- education-data-source-meps.claude/skills/education-data-source-meps/SKILL.md
- education-data-source-nacubo.claude/skills/education-data-source-nacubo/SKILL.md
- education-data-source-nccs.claude/skills/education-data-source-nccs/SKILL.md
- education-data-source-nhgis.claude/skills/education-data-source-nhgis/SKILL.md
- education-data-source-pseo.claude/skills/education-data-source-pseo/SKILL.md
- education-data-source-saipe.claude/skills/education-data-source-saipe/SKILL.md
- education-data-source-scorecard.claude/skills/education-data-source-scorecard/SKILL.md
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- r-stats.claude/skills/r-stats/SKILL.md
- science-communication.claude/skills/science-communication/SKILL.md
- scikit-learn.claude/skills/scikit-learn/SKILL.md
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- web-retrieval.claude/skills/web-retrieval/SKILL.md
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