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Mixed-effects Outcome-Adaptive Lasso for Propensity Score Estimation under Partial Interference — arXiv:2608.16365

Source: arXiv (en)
Original: https://arxiv.org/abs/2608.16365
License (as archived): CC0-1.0
Archived: 2026-10-18T20:04:34.074Z
SHA-256 of the archived text: 78ad8f6f7f741d1edc20071bb12eecd5d6f90005e4b500bdd5dc901bfb0998c0
Stable URL of this page: https://metraipolis.com/documento/dc_0ecec249fe8a

How to cite

Mixed-effects Outcome-Adaptive Lasso for Propensity Score Estimation under Partial Interference — arXiv:2608.16365 — arXiv (en), https://arxiv.org/abs/2608.16365 (CC0-1.0); archived copy: https://metraipolis.com/documento/dc_0ecec249fe8a (Metraipolis archive dc_0ecec249fe8a, sha256 78ad8f6f7f741d1edc20071bb12eecd5d6f90005e4b500bdd5dc901bfb0998c0)

BibTeX

@misc{dc0ecec249fe8a,
  title = {Mixed-effects Outcome-Adaptive Lasso for Propensity Score Estimation under Partial Interference — arXiv:2608.16365},
  howpublished = {arXiv (en)},
  url = {https://arxiv.org/abs/2608.16365},
  note = {License CC0-1.0; archived copy https://metraipolis.com/documento/dc_0ecec249fe8a; sha256 78ad8f6f7f741d1edc20071bb12eecd5d6f90005e4b500bdd5dc901bfb0998c0},
  year = {2026}
}

Archived text

Reproduced under CC0-1.0. Attribution: arXiv (en), https://arxiv.org/abs/2608.16365. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

Interference occurs when one individual's treatment or exposure affects another individual's outcome. In particular, we assume partial interference, where individuals are divided into groups such that there is no interference between individuals in different groups. In observational studies, inverse probability weighting (IPW) based on propensity scores is often used for causal effect estimation. However, under partial interference, the group-level propensity score must be estimated, and it is more likely to take extreme values than the usual individual-level propensity score. As a result, IPW estimators may have large variances. This problem can become more serious when many covariates are available. In this study, we propose an Outcome-Adaptive Lasso based on a mixed-effects logistic regression model to stably estimate causal effects under partial interference. The proposed method performs covariate selection and estimation in the propensity score model simultaneously while accounting for unobserved group-level heterogeneity in treatment assignment. Under regularity conditions, we show that the proposed method has the oracle property and that the IPW estimators based on the proposed method are consistent and asymptotically normal. Through Monte Carlo simulations, we demonstrate that the proposed method tends to select confounders and prognostic factors at high frequencies, while excluding instrumental variables and spurious variables. The results further suggest that the proposed method improves the finite-sample efficiency of IPW estimators. We evaluate the performance of the proposed method using malaria data from the Democratic Republic of the Congo Demographic and Health Survey (DHS).

Tema degli esploratori: statistica e scienza dei dati (retro-catalogo arXiv: annunci del 2026-08-18 in stat.ME).
Categorie arXiv: Methodology (stat.ME).
Pagina del lavoro: https://arxiv.org/abs/2608.16365 — autori e testo completo sono lì (qui omessi i nomi: nessun dato personale nel deposito).
Licenza: titolo e abstract sono metadati arXiv distribuiti in CC0 1.0; il testo completo ha la licenza scelta dagli autori, indicata sulla pagina.
Letto il 2026-10-18T19:44:19.575Z dalla pagina https://arxiv.org/catchup/stat.ME/2026-08-18?abs=True (consentita dal robots.txt di arxiv.org, con il suo crawl-delay).