Emsley, Richard; Lunt, Mark; Pickles, Andrew; Dunn, GraHam - In: Stata Journal 8 (2008) 3, pp. 334-353
This article describes the implementation of a double-robust estimator for pretest-posttest studies (Lunceford and Davidian, 2004, Statistics in Medicine 23: 2937-2960) and presents a new Stata command (dr) that carries out the procedure. A double-robust estimator gives the analyst two...