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Difference-in-Differences causal analysis to identify demographic drivers of behavioral changes with p-value significance testing. Use for event effects, A/B testing, or policy evaluation.
DiD framework for causal inference with automatic method selection (Multivariate vs Univariate) based on sample size.
Both methods use: Y = α + βX + γPost + δ(X × Post) + ε where δ is the DiD estimate.
Multivariate Heterogeneous DiD
n ≥ k × min_sample_ratio (default: 10k samples minimum)npx skills add benchflow-ai/skillsbench --skill did_causal_analysisHow clear and easy to understand the SKILL.md instructions are, rated from 1 to 5.
Clear and well structured, with only minor parts that might need a second read.
How directly an agent can act on the SKILL.md instructions, rated from 1 to 5.
Partially actionable with several concrete steps, but still missing important details.