twang-package {twang} | R Documentation |
This package offers functions for propensity score estimating and weighting, nonresponse weighting, and diagnosis of the weights
Package: | twang |
Version: | 0.6-7 |
Date: | 2006-5-17 |
Depends: | R (>= 2.2), gbm (>= 1.5-3), survey |
License: | GPL (version 2 or newer) |
Built: | R 2.2.1; ; 2006-02-15 10:35:20; windows |
Index:
bal.stat Calculate weighted balance statistics bal.table Compute balance table check.err Reports on errors and warnings desc.wts Diagnosis of weights diag.plot Create diagnostic plots dx.wts Propensity score diagnostics ks.stat Functions for evaluating balance lalonde Lalonde's National Supported Work Demonstration data metric.i Losses for *.stat functions print.dxwts Print a diagnosis of the weights ps Propensity score estimation ps.summary Computes balance measures sensitivity Sensitivity analysis stop.methods Rules for selecting the propensity scores summary.ps Summarize a ps object
Further information is available in the following vignettes:
twang | Toolkit for Weighting and Analysis of Nonequivalent Groups: A guide to the twang package (source, pdf) |
Greg Ridgeway gregr@rand.org, Dan McCaffrey danielm@rand.org, Andrew Morral morral@rand.org
Maintainer: Greg Ridgeway <gregr@rand.org>
Dan McCaffrey, G. Ridgeway, Andrew Morral (2004). “Propensity Score Estimation with Boosted Regression for Evaluating Adolescent Substance Abuse Treatment,” Psychological Methods 9(4):403-425.
G. Ridgeway (2006). “Assessing the effect of race bias in post-traffic stop outcomes using propensity scores,” Journal of Quantitative Criminology 22(1).
The gbm
package