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MatchIt  

Nonparametric Preprocessing for Parametric Causal Inference
View on CRAN: Click here


Download and install MatchIt package within the R console
Install from CRAN:
install.packages("MatchIt")

Install from Github:
library("remotes")
install_github("cran/MatchIt")

Install by package version:
library("remotes")
install_version("MatchIt", "4.7.2")



Attach the package and use:
library("MatchIt")
Maintained by
Noah Greifer
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2005-01-06
Latest Update: 2025-05-30
Description:
Selects matched samples of the original treated and control groups with similar covariate distributions -- can be used to match exactly on covariates, to match on propensity scores, or perform a variety of other matching procedures. The package also implements a series of recommendations offered in Ho, Imai, King, and Stuart (2007) . (The 'gurobi' package, which is not on CRAN, is optional and comes with an installation of the Gurobi Optimizer, available at .)
How to cite:
Noah Greifer (2005). MatchIt: Nonparametric Preprocessing for Parametric Causal Inference. R package version 4.7.2, https://cran.r-project.org/web/packages/MatchIt. Accessed 06 Mar. 2026.
Previous versions and publish date:
1.0-1 (2005-01-06 22:18), 1.0-2 (2005-08-11 08:50), 2.0-1 (2005-08-30 09:27), 2.1-1 (2005-09-17 22:30), 2.1-2 (2005-09-28 11:02), 2.1-3 (2005-10-07 22:49), 2.1-4 (2005-10-16 21:08), 2.2-1 (2005-11-02 22:37), 2.2-2 (2005-11-10 18:58), 2.2-3 (2005-11-20 22:22), 2.2-4 (2005-12-07 10:00), 2.2-5 (2005-12-08 11:21), 2.2-6 (2006-04-05 17:01), 2.2-7 (2006-04-13 10:22), 2.2-8 (2006-05-02 10:19), 2.2-10 (2006-05-11 09:17), 2.2-11 (2006-07-14 08:11), 2.2-13 (2007-04-11 11:09), 2.3-1 (2007-10-12 10:15), 2.4-4 (2008-07-20 11:08), 2.4-5 (2008-07-21 08:20), 2.4-7 (2008-08-06 19:06), 2.4-10 (2009-02-03 21:02), 2.4-11 (2009-06-26 19:42), 2.4-14 (2010-08-12 16:32), 2.4-15 (2010-12-13 15:26), 2.4-16 (2011-01-10 08:46), 2.4-17 (2011-04-04 09:36), 2.4-18 (2011-04-26 15:09), 2.4-20 (2011-10-24 21:02), 2.4-21 (2013-06-28 00:55), 2.4-22 (2017-02-22 14:13), 3.0.1 (2017-04-18 15:04), 3.0.2 (2018-01-09 18:41), 4.0.0 (2020-11-14 16:40), 4.0.1 (2020-11-27 06:30), 4.1.0 (2020-12-15 13:50), 4.2.0 (2021-05-26 15:30), 4.3.0 (2021-09-13 09:00), 4.3.1 (2021-11-11 09:00), 4.3.2 (2021-11-24 00:50), 4.3.3 (2022-01-20 23:52), 4.3.4 (2022-03-08 14:00), 4.4.0 (2022-05-19 00:20), 4.5.0 (2022-11-16 13:11), 4.5.1 (2023-02-23 12:50), 4.5.2 (2023-03-22 14:30), 4.5.3 (2023-04-13 14:10), 4.5.4 (2023-06-14 10:22), 4.5.5 (2023-10-13 08:40), 4.6.0 (2024-11-13 10:00), 4.7.0 (2025-01-12 13:10), 4.7.1 (2025-03-10 01:20)
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