Lab Links + Data Sets

Introduces the concept of a statistical interaction, specifically in the case of an interaction between a categorical variable and a numerical variable.

Handout Template Solutions

See Also: 1 Lab Block Contains This Lab

Multiple Linear Regression: This set of labs introduces the multiple linear regression model, both in the context of an inferential model and a predictive/explanatory model.

R (Base), Useful Links

The statistical software R is a widely used and stable software that is free. RStudio is a user-friendly interface for R.

• Videos showing how to install R and RStudio
• Download R
• Download RStudio, after you install R (optional)
• Getting started with R and RMarkdown
• Access the markdown source files for the Stat labs
• Source files for the Biostat labs
• Google Doc Versions of some labs
• Some labs are available in Brazilian Portuguese