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fairmodels

Flexible Tool for Bias Detection, Visualization, and Mitigation

v1.2.2 · Nov 30, 2025 · GPL-3

Description

Measure fairness metrics in one place for many models. Check how big is model's bias towards different races, sex, nationalities etc. Use measures such as Statistical Parity, Equal odds to detect the discrimination against unprivileged groups. Visualize the bias using heatmap, radar plot, biplot, bar chart (and more!). There are various pre-processing and post-processing bias mitigation algorithms implemented. Package also supports calculating fairness metrics for regression models. Find more details in (Wiśniewski, Biecek (2021)) <doi:10.48550/arXiv.2104.00507>.

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CRAN Check Status

14 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 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
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 History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Reverse Dependencies (2)

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Dependency Network

Dependencies Reverse dependencies DALEX ggplot2 scales patchwork arenar fastml fairmodels

Version History

new 1.2.2 Mar 10, 2026
updated 1.2.2 ← 1.2.1 diff Nov 29, 2025
updated 1.2.1 ← 1.2.0 diff Aug 22, 2022
updated 1.2.0 ← 1.1.0 diff Oct 7, 2021
updated 1.1.0 ← 1.0.1 diff May 30, 2021
updated 1.0.1 ← 0.2.4 diff Apr 13, 2021
updated 0.2.4 ← 0.2.2 diff Dec 11, 2020
updated 0.2.2 ← 0.1.1 diff Sep 20, 2020
new 0.1.1 Aug 19, 2020