Machine Learning with R, the tidyverse, and mlr

List of Listings

Chapter 2. Tidying, manipulating, and plotting data with the tidyverse

Listing 2.1. The starwars data as a tibble and a data frame

Listing 2.2. Exploring the CO2 dataset

Listing 2.3. Selecting columns using select()

Listing 2.4. Filtering rows using filter()

Listing 2.5. Grouping data with group_by()

Listing 2.6. Creating summaries of variables using summarize()

Listing 2.7. Creating new variables using mutate()

Listing 2.8. Arranging tibbles by variables using arrange()

Listing 2.9. Chaining dplyr operations together with %>%

Listing 2.10. Plotting data with the ggplot() function

Listing 2.11. Adding geom layers to a ggplot object

Listing 2.12. Mapping species to the shape and color aesthetics

Listing 2.13. Grouping subplots ...