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twang (version 1.2-5)

Toolkit for Weighting and Analysis of Nonequivalent Groups

Description

This package offers functions for propensity score estimating and weighting, nonresponse weighting, and diagnosis of the weights. This package was originally developed by Drs. Ridgeway, McCaffrey, and Morral. Burgette, Griffin and McCaffrey updated the package in 2011.

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Version

Install

install.packages('twang')

Monthly Downloads

1,912

Version

1.2-5

License

GPL (>= 2)

Maintainer

Lane Burgette

Last Published

March 8th, 2012

Functions in twang (1.2-5)

bal.table

Compute balance table
plot.ps

Plots for ps objects
summary.ps

Summarize a ps object
sensitivity

Sensitivity analysis
lalonde

Lalonde's National Supported Work Demonstration data
desc.wts

Diagnosis of weights
raceprofiling

Traffic stop data
get.weights

Extract propensity score weights
stop.methods

Object only used for backward compatibility
lindner

Lindner Center data on 996 PCI patients analyzed by Kereiakes et al. (2000)
bal.stat

Calculate weighted balance statistics
print.dxwts

Print a diagnosis of the weights
dx.wts

Propensity score diagnostics
egsingle

US Sustaining Effects study
ps.summary

Computes balance measures
ps

Propensity score estimation