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Kosuke Imai authored Feb 23, 2017
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# MatchIt: Nonparametric Preprocessing for Parametric Causal Inference [![Build Status](https://travis-ci.org/kosukeimai/MatchIt.svg?branch=master)](https://travis-ci.org/kosukeimai/MatchIt)
# MatchIt: Nonparametric Preprocessing for Parametric Causal Inference [![Build Status](https://travis-ci.org/kosukeimai/MatchIt.svg?branch=master)](https://travis-ci.org/kosukeimai/MatchIt) [![CRAN_Status_Badge](http://www.r-pkg.org/badges/version/MatchIt)](https://cran.r-project.org/package=MatchIt)

MatchIt 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) <[DOI:10.1093/pan/mpl013](https://doi.org/10.1093/pan/mpl013)>.

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