As you can see from the syllabus, we will spend a lot of time on making graphs. Why? Because humans are visual beings. There's a reason why *The New York Times* invests in top-tier graphic designers ...

ggplot2 is a Tidyverse package for creating plots based on the "grammar of graphics". The minimal requirements to create a ggplot2 object are: 1. a tibble/dataframe passed to ggplot(), e.g., data_tb % ...