This is the ggplot course from Maria Nattestad - here https://github.com/MariaNattestad/R_for_biologists
Lesson 1: first plot, Basic work with R and definitions
Lessons 2-4: Import .csv, exploring the data
Lessons 5: Formatting ggplot
Lessons 6: Plot types
Lessons 7: Faceting and Inset plots
Lessons 8: Heatmaps