Ridgeway, Greg
2006-Jun-29 20:50 UTC
[R] [R-pkgs] twang - Toolkit for Weighting and Analysis of Nonequivalent Groups
The Toolkit for Weighting and Analysis of Nonequivalent Groups (twang 1.0) has been released to CRAN. The package collects functions useful for computing propensity score weights for treatment effect estimation, developing nonresponse weights, and diagnosing the quality of those weights. The package includes a vignette containing some basic theory and walks through two examples. It is available by typing vignette("twang") at the R prompt after loading the library. Background on the methodology with an application to evaluating drug treatment programs is available in McCaffrey, D., G. Ridgeway, A. Morral (2004). "Propensity score estimation with boosted regression for evaluating adolescent substance abuse treatment," Psychological Methods 9(4):403-425. -------------------- This email message is for the sole use of the intended recip...{{dropped}} _______________________________________________ R-packages mailing list R-packages at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-packages
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