Speaking of DataCamp, we point readers to various DataCamp courses that directly align with various chapters in the book!
We significantly cleaned up Chapter 8 on sampling! In particular: adding a 2013 Obama approval rating poll example to tie in with our sampling bowl tactile and virtual simulations and making it very clear that ultimately we are performing statistical inference via sampling.
All content changes
Introduction: Added section on correspondence of chapters to various DataCamp courses. Furthermore, links to relevant DataCamp course are included at the outset of each chapter.
Chapter 3 - Data visualization:
Added simplified geom_jitter() example
More explanations for how whiskers and outliers are constructed in geom_boxplots
Added summary of table of all 5 named graphs
Chapter 4 - Tidy data:
Added section on importing Excel data via RStudio
Added example of tidy vs non-tidy: fivethirtyeight::drinks