Skip to content

fastDummies

Fast Creation of Dummy (Binary) Columns and Rows from Categorical Variables

v1.7.6 · Apr 22, 2026 · MIT + file LICENSE

Description

Creates dummy columns from columns that have categorical variables (character or factor types). You can also specify which columns to make dummies out of, or which columns to ignore. Also creates dummy rows from character, factor, and Date columns. This package provides a significant speed increase from creating dummy variables through model.matrix().

Downloads

CRAN

61K

Last 30 days

456th

218.3K

Last 90 days

715.5K

Last year

Trend: -17.2% (30d vs prior 30d)

r2u CRAN

1.2K

Last 30 days

3.8K

Last 90 days

11.3K

Last year

Trend: -4.6% (30d vs prior 30d)

autoCRAN

2

Last 7 days

5

Last 30 days

1

All-time

autoCRAN-only: this name is served only by autoCRAN, so the count is exact.

CRAN Check Status

13 OK
Show all 13 flavors
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-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 (52)

Dependency Network

Dependencies Reverse dependencies data.table tibble stringr BiVariAn CMMs ClusterVAR GenMarkov IBLM LRMiss MAPCtools MUGS MplusAutomation NeuralSens RCTrep ReSurv ResIN RobinCar Seurat +37 more reverse deps fastDummies

Version History

19 tracked
updated 1.7.6 ← 1.7.5 diff Apr 22, 2026
new 1.7.5 Mar 10, 2026
updated 1.7.5 ← 1.7.4 diff Jan 19, 2025
updated 1.7.4 ← 1.7.3 diff Aug 15, 2024
updated 1.7.3 ← 1.7.1 diff Jul 5, 2023
updated 1.7.1 ← 1.6.3 diff Jul 4, 2023
updated 1.6.3 ← 1.6.2 diff Nov 28, 2020
updated 1.6.2 ← 1.6.1 diff Sep 15, 2020
updated 1.6.1 ← 1.6.0 diff Mar 6, 2020
updated 1.6.0 ← 1.5.0 diff Nov 28, 2019
updated 1.5.0 ← 1.4.0 diff Sep 2, 2019
updated 1.4.0 ← 1.3.0 diff Jun 16, 2019
updated 1.3.0 ← 1.2.0 diff Apr 21, 2019
updated 1.2.0 ← 1.1.0 diff Jun 20, 2018
updated 1.1.0 ← 1.0.0 diff Mar 2, 2018