Description

PS 403 • Fall 2025
Department of Political Science

Northwestern University

This site is designed to support students enrolled in the PS403 Statistics and Probability course. Here, you will find lab materials. In the section, we will focus on coding and practicing the concepts covered in the lectures.

Section Details

•   Friday
•   11:00 AM – 11:50 AM
•   Scott Hall 212

Office Hours Details

•   Friday
•   9:30 AM – 11:00 AM
•   Scott Hall 110

Schedule

Additional Resources

Helpful Regression Resources

• Step-by-step regression guide

Data Wrangling

• Joins Tutorial

Data Sources

• Political Science datasets

Visualization

• Introduction to ggplot2

• Maps/Networks/Advanced visualization with ggplot2

• Making interactive plots with ggplot2

Cheatsheets

• Tidyverse cheatsheets