d STB-2 July 1991 t .. Other STBs p dm1 Date calculators p gr2 Stata graphics in MS Word and Wordperfect p gr3 Crude 3-D graphics p gr4 3-D contour plot command p gr5 Triangle plot for soil texture p sbe2 Bailey-Makeham survival model p sed2 Variable transformation by SKTEST p sed3 Examination of variables prior to transformation p sqv1_1 Correction to extlogit.ado p srd1 Robust regression p srd2 Test for multivariate normality p srd3 One-Step Welsch bounded-influence estimator p srd4 Test for general specification error in linear regression p srd5 Tests for heteroscedasticity and omitted variables p srd6 A randomization test for the equality of two groups p ssa1_1 Menu interface to life table command