Supplementary R Material

Author

Aaron R. Caldwell, Ph.D.

In this supplement module, I have included a number of lectures

You can view and download the R project I demonstrate using this link.

The older videos, featuring Dr. Kaukis, I do not have access to his original scripts. The videos are still helpful though in learning how R works.

Videos

Setting up your R project

Importing Packages and Data with a Quarto Document

Functions in R

Note: these are older videos. They are not necessary but may be helpful in learning about how R works.

Summary Statistics in R

Correlations in R

Note: these are older videos

ggplot2 basics

Note: this is an older video

Plotting Scatterplots in R

Visualizing Linear Regression Models

Fitting a OLS Model

Checking Model and Transformations

Older videos on linear models

Starting Multiple Regression

Collinearity and Redudancy in Multiple Regression

Old videos on Multiple Regression

These are long, but informative. Dr. Kaukis and I differ slightly in opinions on multiple regression.

Introduction to ANOVA

Factorial ANOVA

Logistic Regression