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# CITATION file created with {cffr} R package
# See also: https://docs.ropensci.org/cffr/
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cff-version: 1.2.0
message: 'To cite package "lfe" in publications use:'
type: software
license: MIT
title: 'lfe: Linear Group Fixed Effects'
version: 3.0-0
identifiers:
- type: doi
  value: 10.32614/CRAN.package.lfe
abstract: Transforms away factors with many levels prior to doing an OLS. Useful for
  estimating linear models with multiple group fixed effects, and for estimating linear
  models which uses factors with many levels as pure control variables. See Gaure
  (2013) <https://doi.org/10.1016/j.csda.2013.03.024> Includes support for instrumental
  variables, conditional F statistics for weak instruments, robust and multi-way clustered
  standard errors, as well as limited mobility bias correction (Gaure 2014 <https://doi.org/10.1002/sta4.68>).
  Since version 3.0, it provides dedicated functions to estimate Poisson models.
authors:
- family-names: Gaure
  given-names: Simen
  orcid: https://orcid.org/0000-0001-7251-8747
- family-names: Vargas Sepulveda
  given-names: Mauricio
  email: m.sepulveda@mail.utoronto.ca
  orcid: https://orcid.org/0000-0003-1017-7574
preferred-citation:
  type: article
  title: 'lfe: Linear group fixed effects'
  authors:
  - family-names: Gaure
    given-names: Simen
    orcid: https://orcid.org/0000-0001-7251-8747
  journal: The R Journal
  year: '2013'
  volume: '5'
  issue: '2'
  notes: User documentation of the 'lfe' package
  month: '12'
  url: https://journal.r-project.org/archive/2013/RJ-2013-031/RJ-2013-031.pdf
  start: 104-117
repository: https://CRAN.R-project.org/package=lfe
repository-code: https://github.com/r-econometrics/lfe
url: https://github.com/r-econometrics/lfe
date-released: '2024-02-29'
contact:
- family-names: Vargas Sepulveda
  given-names: Mauricio
  email: m.sepulveda@mail.utoronto.ca
  orcid: https://orcid.org/0000-0003-1017-7574
references:
- type: article
  title: OLS with multiple high dimensional category variables
  authors:
  - family-names: Gaure
    given-names: Simen
  journal: Computational Statistics & Data Analysis
  volume: '66'
  year: '2013'
  notes: Description of the projection methods used in 'lfe'
  issn: 0167-9473
  doi: 10.1016/j.csda.2013.03.024
  url: http://dx.doi.org/10.1016/j.csda.2013.03.024
  start: 8 - 18
- type: article
  title: Correlation bias correction in two-way fixed effects linear regression
  authors:
  - family-names: Gaure
    given-names: Simen
  journal: Stat
  volume: '3'
  issue: '1'
  url: http://dx.doi.org/10.1002/sta4.68
  doi: 10.1002/sta4.68
  year: '2014'
  notes: Description of the limited mobility bias correction method used in 'lfe'
  issn: 2049-1573
  start: 379-390
- type: manual
  title: 'lfe: Linear Group Fixed Effects'
  authors:
  - family-names: Gaure
    given-names: Simen
  year: '2024'
  url: https://CRAN.R-project.org/package=lfe
  notes: R package version 3.0-0, 2024