Regression modeling

Interactive SAS tutorials supporting the OpenIntro Introduction to Modern Statistics textbook.

Regression modeling

Ultimately, data analysis is about understanding relationships among variables. Exploring data with multiple variables requires new, more complex tools, but enables a richer set of comparisons. In this tutorial, you will learn about regression techniques. You’ll first learn about simple linear regression models, before moving on to multiple and logistic regression techniques.

Learning objectives

Lessons

Simple linear regression

Interpreting regression models

Model fit

Outliers in regression models

Parallel slopes

Evaluating and extending the parallel slopes model

Multiple regression

Logistic regression

More on reference cell coding

More on interaction

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