Add survey data support (Phases 1-2)#218

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igerber merged 24 commits intomainfrom

Mar 21, 2026

Commits on Mar 20, 2026

Add survey data support (Phases 1-2): core infrastructure and base estimator integration

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Fix P0/P1/P2/P3 issues from PR #218 review

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Fix P1/P2 issues from PR #218 review rerun (round 2)

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Fix fweight df and weighted rank-deficiency issues from PR #218 review (round 3)

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Fix survey HC1 meat formula and survey-weighted rank-deficiency issues from PR #218 review (round 4)

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Fix survey df for no-PSU designs, unstratified lonely_psu, and LinearRegression weight propagation from PR #218 review (round 5)

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Fix weights-only TSL consistency and conflicting-weights gap from PR #218 review (round 6)

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Fix cluster-ignored-with-survey and weight validation gaps from PR #218 review (round 7)

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Fix pweight HC1 meat formula, add compute_robust_vcov validation, and fix fweight df rounding from PR #218 review (round 8)

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Commits on Mar 21, 2026