Issues

• ENH: confidence interval for the difference of two paired proportions

  statsmodels/statsmodels#10374 · Filter by author wrs-videa opened on Oct 2, 2026

• BUG: _naive_ledoit_wolf_shrinkage omits the shrinkage target (returns s·S, not (1−s)·S + s·μ·I)

  statsmodels/statsmodels#10368 · Filter by author subsriram opened on Oct 2, 2026
  1

• PHReg: schoenfeld_residuals use Breslow means under ties="efron", and martingale_residuals omit each subject's own hazard jump

  type-bugtype-bug-wrong
  statsmodels/statsmodels#10288 · Filter by author kangk1204 opened on Sep 26, 2026

• ENH: GLM outcome models in TreatmentEffect (part of #8987)

  type-enh
  statsmodels/statsmodels#10227 · Filter by author kirilklein opened on Sep 2, 2026
  1

• ENH: effect_group (ATET/ATC) for TreatmentEffect.aipw and aipw_wls

  type-enh
  statsmodels/statsmodels#10226 · Filter by author kirilklein opened on Sep 1, 2026
  1

• ENH: overlap diagnostics and explicit trimming for TreatmentEffect

  type-enh
  statsmodels/statsmodels#10224 · Filter by author kirilklein opened on Sep 1, 2026
  1

• MAINT: Remove hasattr/getattr anti-patterns by initializing attributes to None

  maintenancetype-task
  Task

  statsmodels/statsmodels#9880 · Filter by author Aniketsy opened on Jul 1, 2026
  4

• Broken links on Examples wiki page

  statsmodels/statsmodels#9841 · Filter by author Aniketsy opened on Jun 15, 2026
  3

• Feature proposal: Johansen cointegration test with Fourier-type smooth nonlinear trends (Kurita & Shintani, 2025)

  statsmodels/statsmodels#9806 · Filter by author merwanroudane opened on May 23, 2026

• BUG/ENH (sandbox) OnewayLS pairwise comparison - effective degrees of freedom

  comp-regressioncomp-statstype-possible-bug
  statsmodels/statsmodels#9777 · Filter by author josef-pkt opened on Apr 1, 2026
  7

• MAINT: Improve codebase maintainability and fix Kalman filter corner case

  statsmodels/statsmodels#9740 · Filter by author un1u3 opened on Jan 13, 2026

• Feature Request: Fama-Macbeth for two-stage regression with HAC standard errors

  statsmodels/statsmodels#9723 · Filter by author gaixen opened on Dec 26, 2025
  2

• Prediction with the RecursiveLS method

  type-bug
  statsmodels/statsmodels#9708 · Filter by author danaii-project opened on Dec 15, 2025
  8

• Fast non-linear non-Gaussian State Space models estimation feature

  comp-tsa-statespacetype-enh
  statsmodels/statsmodels#9706 · Filter by author nguymin-theonlyone opened on Dec 9, 2025
  5

• Question: ARDL model

  type-possible-bug
  statsmodels/statsmodels#9699 · Filter by author EmanAbdelhaleem opened on Nov 26, 2025

• ENH: models for heavy-tailed count distributions

  comp-discretecomp-distributionstype-enh
  statsmodels/statsmodels#9697 · Filter by author josef-pkt opened on Nov 21, 2025
  2

• ENH: prediction evaluation: point versus probability prediction, zeros in zero-inflated models

  statsmodels/statsmodels#9696 · Filter by author josef-pkt opened on Nov 21, 2025
  1

• ENH: predicted probabilities and classification, with population prevalence

  statsmodels/statsmodels#9684 · Filter by author josef-pkt opened on Nov 4, 2025

• FAQ/DOC Cohen's, Fleiss' kappa versus other agreement measures

  comp-docscomp-stats
  statsmodels/statsmodels#9680 · Filter by author josef-pkt opened on Nov 1, 2025
  1

• ENH: random effect ordinal/ordered model and model based agreement measures

  comp-discretecomp-statstype-enh
  statsmodels/statsmodels#9679 · Filter by author josef-pkt opened on Oct 31, 2025

• DOC: statsmodels overview Claude skills (ChatGPT alternative)

  comp-docsDocumentation
  statsmodels/statsmodels#9678 · Filter by author josef-pkt opened on Oct 30, 2025
  7

• DOC: NonlinearDeltaCov as public feature, docs?

  statsmodels/statsmodels#9674 · Filter by author josef-pkt opened on Oct 20, 2025

• ENH: power for continuous equivalence tests z-tost and t-tost

  comp-statstype-enh
  statsmodels/statsmodels#9667 · Filter by author josef-pkt opened on Oct 10, 2025

• ENH: Intraclass correlation ICC based on oneway random effect

  comp-statstype-enh
  statsmodels/statsmodels#9666 · Filter by author josef-pkt opened on Oct 9, 2025

• ENH: variance component random effect estimation versus penalized

  comp-genmodcomp-regressiontopic-penalization
  statsmodels/statsmodels#9664 · Filter by author josef-pkt opened on Oct 8, 2025