{
  "citation": "statsmodels 0.15.0: the reference specification of stock_watson_fatalities tab10_1_c3 (infer.ols, figure 'coef.beertax') on an independent code path",
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  "excerpt": null,
  "independent": true,
  "item_set": null,
  "kind": "software",
  "known_deviation": null,
  "licence": null,
  "locator": "stock_watson_fatalities: Table 10.1, column (3) (state and time effects, clustered standard errors), row 'Beer tax'",
  "metric": null,
  "n_items": null,
  "page": null,
  "read_copy_sha256": null,
  "retrieved_at": "2026-10-15",
  "se": 0.385786721792343,
  "se_as_published": null,
  "source_id": "stock_watson_fatalities.tab10_1_c3.software",
  "tolerance_reason": null,
  "units": null,
  "url": "https://pypi.org/project/statsmodels/0.15.0/",
  "value": -0.6399799857068721,
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  "verified_by": "software_run",
  "verified_note": "sm.OLS(frate, add_constant(['beertax']), fe dummies ['state', 'year']; 55 independent columns).fit(cov_type='cluster', groups=state) on fatalities (the file pinned at sha256 ae265c1b14b4a023179b3af5db33b6a659ccf804987f26e8349826d4083ee149, after its 2 declared transforms); n_obs = 336. The tool infer.ols (magi_infer, numpy) does not call statsmodels. Written by scripts/paper_repro_reference.py."
}