R Basics 2: Data Visualisation

Videos for Tuesday, April 28, 2026–Monday, May 4, 2026

The videos below are selected to support and extend the concepts covered this week. Watch them before or after working through the exercises.


ggplot2 for Plots and Graphs

A deep dive into the Grammar of Graphics using ggplot2 — covers the key geoms and how to build up plots in layers.


ggplot2 Explained in 5 Minutes

A high-speed conceptual overview of how layers work in ggplot2.


geom_point and Scatter Plots

How to create scatter plots in ggplot2 using geom_point, and how to interpret the relationship between two continuous variables.