Below is an example of the subpopn statement.  This statement should be used whenever you want to analyze only a  subpopulation in your data.  You should NOT subset your data…
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This example is taken from Levy and Lemeshow’s Sampling of Populations. page 53 simple random sampling This example uses the momsag data set. The _one_ on the nest statement tells…
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The purpose of this seminar is to explore some issues in the analysis of survey data in SUDAAN 9.  Before we begin looking at examples in SUDAAN, we will quickly…
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SAS Webbooks Regression with SAS Regression with Stata Regression with SPSS

Stata program for generating data clear input y x1 x2 cnt 0 0 0 10 0 1 0 10 1 0 0 10 1 1 0 20 0 0 1…
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      NOTE:  This page is under construction!! In the previous two chapters, we focused on issues regarding logistic regression analysis, such as how to create interaction variables and…
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      In the previous two chapters, we focused on issues regarding logistic regression analysis, such as how to create interaction variables and how to interpret the results of…
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Use choice of insurance type as the outcome variable, based on their income ethnicity,   , maximum likelihood estimates require large sample size. Multiple equations also require large sample size….
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About This Presentation It is a broad survey of count regression models It is designed to demonstrate the range of analyses available for count regression models It is not an…
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This presentation presents a broad overview of methods for interpreting interactions in logistic regression. The presentation is not about Stata. It uses Stata, but you gotta use something. The methods…
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