Toolkit for Weighting and Analysis of Nonequivalent Groups: A Tutorial on the TWANG Shiny Application for Three or More Treatment Groups

This tutorial describes how to use a menu-driven Shiny application (app) based on the Toolkit for Weighting and Analysis of Nonequivalent Groups (TWANG) R package. This tutorial provides an introduction about how to use the TWANG Shiny app to estimate propensity score weights and related treatment effects for comparing three or more treatment groups when using observational data.