Issues

• PanelOLS can retain fully absorbed regressors when a constant is present

  bashtage/linearmodels#728 · Filter by author dnncha opened on Sep 27, 2026

• PanelOLS silently pairs differently ordered pandas rows by position

  bashtage/linearmodels#727 · Filter by author dnncha opened on Sep 27, 2026

• IV2SLS durbin() / wu_hausman() project onto the excluded instruments only, so they change when an instrument is shifted by a constant

  bashtage/linearmodels#724 · Filter by author lucaluo925 opened on Sep 24, 2026

• FirstDifferenceOLS differences the wrong periods when the first entity enters the panel late

  bashtage/linearmodels#723 · Filter by author lucaluo925 opened on Sep 24, 2026

• New (optional) demeaning backend via within

  bashtage/linearmodels#714 · Filter by author s3alfisc opened on Aug 15, 2026
  2

• ENH: Linear IV Panel model estimation - interested in contributing

  bashtage/linearmodels#694 · Filter by author EdenRochmanSharabi opened on Jun 8, 2026

• Need to report a security issue for the project via a private channel

  bashtage/linearmodels#693 · Filter by author omnigodz opened on May 6, 2026
  1

• [Question] Why is AbsorbingLS in the iv package?

  bashtage/linearmodels#680 · Filter by author memeplex opened on Nov 27, 2025
  4

• Wrong F-statistics for robust SE

  bashtage/linearmodels#631 · Filter by author DiogoFerrari opened on Dec 11, 2024
  4

• IV2SLS first_stage reports "wrong" first stage F-statistic

  bashtage/linearmodels#622 · Filter by author mlondschien opened on Oct 4, 2024
  5

• MemoryError with IV2SLS

  bashtage/linearmodels#607 · Filter by author ckarren opened on Jun 23, 2024
  3

• Interaction terms for Categorical Variables in a RE Model

  bashtage/linearmodels#566 · Filter by author Arceus opened on Nov 5, 2023
  4

• Sanitize extra text from summary

  bashtage/linearmodels#560 · Filter by author gmoore016 opened on Oct 29, 2023

• Fixed effects std. error and p-values

  bashtage/linearmodels#559 · Filter by author smauricioj opened on Oct 29, 2023
  2

• Estimated Effects in random effect

  bashtage/linearmodels#553 · Filter by author KseniaNedorezova opened on Sep 21, 2023
  7

• ENH: Implement 2+ fixed-effect with multi-way clustering OLS

  bashtage/linearmodels#551 · Filter by author EBoisseauSierra opened on Sep 11, 2023

• Suggestion: Implement a .remove_data function for Results

  bashtage/linearmodels#533 · Filter by author jpweytjens opened on May 31, 2023
  

• Option to avoid MissingValueWarning warning.

  bashtage/linearmodels#531 · Filter by author marcdelabarrera opened on May 23, 2023
  3

  

• wald_test

  bashtage/linearmodels#523 · Filter by author SPDA36 opened on May 9, 2023
  4

  

• ENH: Remove constraint on the number of fixed effects

  bashtage/linearmodels#491 · Filter by author LulinS opened on Jan 9, 2023
  1

• PanelOLS: Produced different Std. errors from Stata when clustered by the same variable in linearmodels

  bashtage/linearmodels#477 · Filter by author yuz0101 opened on Oct 12, 2022
  15

• clustered bootstrap SE

  bashtage/linearmodels#473 · Filter by author amichuda opened on Sep 9, 2022
  1

• Extension: Interactive Fixed Effects model

  bashtage/linearmodels#470 · Filter by author ramonVDAKKER opened on Aug 26, 2022

• ENH: Improve exception when estimation of kappa is preventing fitting an IV2SLS model

  enhancement
  bashtage/linearmodels#436 · Filter by author roy1312 opened on Jun 15, 2022
  2

  

• Get different Standard Errors from AbsorbingLS and PanelOLS

  bashtage/linearmodels#432 · Filter by author huicaikrz opened on Jun 5, 2022
  3