Abstract not available.

Abstract not available.

This talk introduces the principles of propensity-score theory and reviews available programs to implement propensity-score methods in Stata, with particular focus on psmatch2 and teffects psmatch. An application on real data will be shown.

Stata is a software package that is currently widely used, and its utility is being recognized. This is leading to its increasing use worldwide in major departments of epidemiology and biostatistics, for both research and teaching purposes. The ability to use it at various levels of...

Longitudinal data are commonly collected in experimental and observational studies, where both disease and risk factors are measured at different repeated times. The goal of this project is to compare analyses performed using Stata, SPlus and SAS under two different families of distributions:...