This is a draft version of this chapter.  Comments and suggestions to improve this draft are welcome. Chapter outline    6.1. Analysis with two categorical variables     6.2. Simple effects       6.2.1 Analyzing…
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In this chapter, we will focus on a regression model that has two categorical predictor variables and their interaction terms. Let’s say that the first categorical predictor variable x1 has…
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This is a draft version of this chapter.  Comments and suggestions to improve this draft are welcome. Chapter Outline    1. Continuous and Categorical Predictors without Interaction     2. Continuous and Categorical Predictors…
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* Chapter 1 – Simple & Multiple Regression */ use https://stats.idre.ucla.edu/stat/stata/webbooks/reg/elemapi2 mkdir regstata cd regstats save elemapi2 describe list in 1/5 list api00 acs_k3 meals full in 1/10 codebook api00…
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Stata Web Books Regression with Stata: Short Outline by Xiao Chen, Philip B. Ender, Michael Mitchell & Christine Wells (in alphabetical order) The aim of these materials is to help…
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A Visual Guide to Stata Graphics gives you a detailed guide to Stata’s graphics capabilities in an easy-to-use format. Containing over 900 full-color graphics, this book will teach you to…
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The page has been moved to https://stats.idre.ucla.edu/other/mult-pkg/whatstat/ https://stats.idre.ucla.edu/other/mult-pkg/whatstat/

Version info: Code for this page was tested in Stata 12. Introduction This page shows how to perform a number of statistical tests using Stata. Each section gives a brief…
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Fundamentals of Using Stata (part I) A Sample Stata Session (via Stata web site) Descriptive information and statistics Getting Help Fundamentals of Using Stata (part II) Using “if” for subsetting…
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1. Introduction This module illustrates (1) how to create and recode variables manually and (2) how to use foreach to ease the process of creating and recoding variables. Consider the…
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