Chapter 2: Data Visualization and Graphics

The following are the activity solutions for this chapter.

Activity: Recreating Plots with Base Plot Methods

The following code can be used to load the datasets library:

library(datasets)
install.packages("ggplot2")
library(ggplot2)

The following code can be used to load the data:

data("iris")
data("mpg")

The following code can be used to create a scatterplot to plot petal width without an axis label:

plot(iris$Petal.Width)

The following code can be used to create a scatterplot to plot petal width without axis labels:

plot(iris$Petal.Width, iris$Petal.Length,
     main = "Petal Length vs. Petal Width",
     xlab = "Petal Width",
     ylab...