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cff-version: 1.2.0
message: 'To cite package "fastconley" in publications use:'
type: software
license: MIT
title: 'fastconley: Fast Conley Standard Errors for ''lfe'' and ''fixest'' Models'
version: 0.11.1
doi: 10.32614/CRAN.package.fastconley
abstract: Conley (1999) <https://doi.org/10.1016/S0304-4076(98)00084-0> spatial heteroscedasticity
  and autocorrelation consistent (HAC) standard errors for fixed effects panel and
  cross-sectional models estimated with felm() from the 'lfe' package (ordinary least
  squares and instrumental variables) or with feols(), feglm(), and fepois() from
  the 'fixest' package. Instrumental-variable support is limited to ordinary two-stage
  least squares. Generalized linear model fits use the M-estimation sandwich built
  from the stored scores and inverse Hessian. The spatial path uses score accumulation,
  a three-dimensional cell-grid neighbour search, and compressed sparse row neighbour
  lists instead of dense distance matrices, yielding large speedups over the original
  'conley' package <https://github.com/rbluhm/conley> on big cross-sections and high-dimensional
  regressions.
authors:
- family-names: Bluhm
  given-names: Richard
  email: richard.bluhm@gmail.com
repository: https://rbluhm.r-universe.dev
repository-code: https://github.com/rbluhm/fastconley
commit: f25053f6c6010cceb646f033fdbd989ab9f518f9
url: https://rbluhm.github.io/fastconley/
date-released: '2026-09-26'
contact:
- family-names: Bluhm
  given-names: Richard
  email: richard.bluhm@gmail.com