Matching v4.9-7

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Multivariate and Propensity Score Matching with Balance Optimization

Provides functions for multivariate and propensity score matching and for finding optimal balance based on a genetic search algorithm. A variety of univariate and multivariate metrics to determine if balance has been obtained are also provided.

Readme

Matching: Multivariate and Propensity Score Matching Software for Causal Inference

Jasjeet S. Sekhon

Introduction

This website is for the distribution of "Matching" which is a R package for estimating causal effects by multivariate and propensity score matching. The package provides functions for multivariate and propensity score matching and for finding optimal balance based on a genetic search algorithm. A variety of univariate and multivariate tests to determine if balance has been obtained are also provided. These tests can also be used to determine if an experiment or quasi-experiment is balanced on baseline covariates.

For an introduction to the package with documentation and examples, please see "Multivariate and Propensity Score Matching Software with Automated Balance Optimization: The Matching package for R." Journal of Statistical Software, 42(7): 1-52. 2011.

How to install

A version is on CRAN. The latest development version can be installed directly from Github using devtools.

if (!require("devtools")) install.packages("devtools")
devtools::install_github("JasjeetSekhon/Matching")

The package contains compiled code, and you must have a development environment to install the development version. (Use devtools::has_devel() to check whether you do.) If no development environment exists, Windows users download and install Rtools and macOS users download and install Xcode.

Functions in Matching

Name Description
MatchBalance Tests for Univariate and Multivariate Balance
ks.boot Bootstrap Kolmogorov-Smirnov
qqstats QQ Summary Statistics
Match Multivariate and Propensity Score Matching Estimator for Causal Inference
summary.Match Summarizing output from Match
Matchby Grouped Multivariate and Propensity Score Matching
lalonde Lalonde Dataset
GenMatch Genetic Matching
summary.Matchby Summarizing output from Matchby
balanceUV Univariate Balance Tests
summary.ks.boot Summarizing output from ks.boot
GerberGreenImai Gerber and Green Dataset used by Imai
summary.balanceUV Summarizing output from balanceUV
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Details

Date 2020-02-05
License GPL-3
URL http://sekhon.berkeley.edu/matching
NeedsCompilation yes
Packaged 2020-02-05 23:38:07 UTC; user
Repository CRAN
Date/Publication 2020-02-06 12:30:02 UTC

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