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April 2019
Decomposing Interactions in R
Description: In regression, we are often interested in an interaction, which is the modification of the effect of an independent variable by another. Interactions can be decomposed in three ways, by 1) testing each effect against zero, 2) testing differences among effects, and 3) graphing. This workshop will demonstrate how to do all three analyses in R for the following interaction models: continuous-by-continuous, categorical-by-continuous, and categorical-by-categorical. Some hands-on exercises will be presented. Some knowledge of linear regression is recommended. The…
Find out more »May 2019
Logistic Regression in Stata
Description: This workshop will help increase your skills in using logistic regression analysis with Stata. The workshop does not teach logistic regression, per se, but focuses on how to perform logistic regression analyses and interpret the results using Stata. It is assumed that you have some familiarity with both logistic regression and Stata. The workshop will be held in Math Sciences 5628 (the IDRE Visualization Portal) The notes for the workshop are here. The sign-up link is here. This workshop…
Find out more »Multiple Imputation in Stata
Description: The purpose of this workshop is to discuss commonly used techniques for handling missing data and common issues that could arise when these techniques are used. In particular, we will focus on the one of the most popular methods, multiple imputation and how to perform it in Stata. The Stata code for this seminar is developed using Stata 15. The workshop will be held in Math Sciences 5628 (the IDRE Visualization Portal) The notes for the workshop are here.…
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