This column is a tutorial discussing looping in parallel using foreach and forvalues. Such may use not only local macros defined for the purpose but also other devices, including gettoken command ways to increment decrement evaluate expressions. The main idea that set of loops essentially one loop with two or more sets actions. Examples cover over integers required specific display format, gene...

Introduzione: nel marzo 2003 in regione Campania, è stata condotta un’inchiesta tra 100 specialisti in chirurgia generale e membri della Società Napoletana di Chirurgia (S.Na.C.), al fine di capire l’andamento sul tipo di trattamento chirurgico eseguito per curare la malattia emorroidaria. Materiali e metodi: L’inchiesta è stata eseguita inviando un questionario di 13 domande a 100 chirurghi re...

Software and Books: Reviews and Previews 2 Nathaniel Beck: Stata 8 A First Look From a Personal Perspective . . . . . . . . . . . . 2 Bradford S. Jones: Review of Andrew Gelman and Deborah Nolan’s Teaching Statistics: A Bag of Tricks . . . . . . . . . . . . . . . 4 Joshua D. Clinton: Review of Andrew Gelman, John Carlin, Hal Stern and Donald Rubin’s Bayesian Data Analysis . . . . . . . 6 Jack B...

This article describes asciker and bsciker, two programs that enrich the possibility for density analysis using Stata. asciker and bsciker compute asymptotic and bootstrap confidence intervals for kernel density estimation, respectively, based on the theory of kernel density confidence intervals estimation developed in Hall (1992b) and Horowitz (2001). asciker and bsciker allow several options ...