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Fixed Effects Counterfactual Estimators

v2.1.0 · Jan 17, 2026 · MIT + file LICENSE

Description

Provides tools for estimating causal effects in panel data using counterfactual methods, as well as other modern DID estimators. It is designed for causal panel analysis with binary treatments under the parallel trends assumption. The package supports scenarios where treatments can switch on and off and allows for limited carryover effects. It includes several imputation estimators, such as Gsynth (Xu 2017), linear factor models, and the matrix completion method. Detailed methodology is described in Liu, Wang, and Xu (2024) <doi:10.48550/arXiv.2107.00856> and Chiu et al. (2025) <doi:10.48550/arXiv.2309.15983>. Optionally integrates with the "HonestDiDFEct" package for sensitivity analyses compatible with imputation estimators. "HonestDiDFEct" is not on CRAN but can be obtained from <https://github.com/lzy318/HonestDiDFEct>.

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CRAN Check Status

3 NOTE
11 OK
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Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 NOTE
r-oldrel-macos-x86_64 NOTE
r-oldrel-windows-x86_64 NOTE
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK
Check details (16 non-OK)
OK r-devel-linux-x86_64-debian-clang

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OK r-devel-linux-x86_64-debian-gcc

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OK r-devel-linux-x86_64-fedora-clang

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OK r-devel-linux-x86_64-fedora-gcc

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OK r-devel-macos-arm64

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OK r-devel-windows-x86_64

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NOTE r-oldrel-macos-arm64

installed package size

  installed size is 12.4Mb
  sub-directories of 1Mb or more:
    data   1.2Mb
    libs  10.2Mb
NOTE r-oldrel-macos-arm64

package dependencies

Package suggested but not available for checking: ‘HonestDiDFEct’
NOTE r-oldrel-macos-x86_64

installed package size

  installed size is 13.6Mb
  sub-directories of 1Mb or more:
    data   1.2Mb
    libs  11.4Mb
NOTE r-oldrel-macos-x86_64

package dependencies

Package suggested but not available for checking: ‘HonestDiDFEct’
NOTE r-oldrel-windows-x86_64

package dependencies

Package suggested but not available for checking: 'HonestDiDFEct'
OK r-patched-linux-x86_64

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OK r-release-linux-x86_64

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OK r-release-macos-arm64

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OK r-release-macos-x86_64

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OK r-release-windows-x86_64

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Check History

NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 9, 2026
NOTE r-oldrel-macos-arm64

package dependencies

Package suggested but not available for checking: ‘HonestDiDFEct’
NOTE r-oldrel-macos-x86_64

package dependencies

Package suggested but not available for checking: ‘HonestDiDFEct’
NOTE r-oldrel-windows-x86_64

package dependencies

Package suggested but not available for checking: 'HonestDiDFEct'

Reverse Dependencies (1)

imports

Dependency Network

Dependencies Reverse dependencies Rcpp ggplot2 GGally doParallel doFuture foreach abind (>= 1.4-0) MASS gridExtra fixest doRNG future parallelly mvtnorm dplyr +4 more dependencies gsynth fect

Version History

new 2.1.0 Mar 9, 2026