d STB-1 May 1991 t .. Other STBs p os1 Gphpen and colour PostScript p sbe1 Poisson regression with rates p sed1 Stata and the 4 R's of EDA p sg1 Nonlinear regression (derivative free) p sg2 Exact and cumulative Poisson probability p sg3 Skewness and kurtosis test of normality p sqv1 Extensions to logit command p ssa1 Actuarial or life-table analysis of time-to-event data p ssi1 Monte Carlo simulation