llms.txt

# diff-diff

> Python library for Difference-in-Differences (DiD) causal inference. sklearn-like estimators, statsmodels-style summary output, validated against R.

## Guides for AI agents and LLMs

- Concise API reference: https://diff-diff.readthedocs.io/en/stable/llms.txt
- Full API reference: https://diff-diff.readthedocs.io/en/stable/llms-full.txt
- 8-step practitioner workflow (Baker et al. 2025): https://diff-diff.readthedocs.io/en/stable/llms-practitioner.txt

After `pip install diff-diff`, also accessible in-process via `from diff_diff import get_llm_guide`:

- `get_llm_guide()` - concise
- `get_llm_guide("full")` - full
- `get_llm_guide("practitioner")` - 8-step workflow
- `get_llm_guide("autonomous")` - autonomous-agent variant (in-wheel only; not yet on RTD)