# MatchIt v2.4-22

0

0th

Percentile

## Nonparametric Preprocessing for Parametric Casual Inference

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>.

## Functions in MatchIt

 Name Description help.matchit HTML Help for Matchit Commands and Models lalonde Data from National Supported Work Demonstration and PSID, as analyzed by Dehejia and Wahba (1999). user.prompt Pause in demo files match.data Output Matched Data Sets matchit MatchIt: Matching Software for Causal Inference No Results!