Reproduce Figure 2.4 using geom_histogram(aes(y = ..density..)) as shown below for Example 2.5. ggplot_build() extracts the computed values for the histogram. Use the extracted vales to confirm that the areas of all bars of the density histogram sum up to 1 .

Data from Example 2.5

Data from Figure 2.4

Transcribed Image Text:

h % ggplot (aes (age)) + geom_histogram ( aes (y = . .density..), binwidth = 2, color = 'black', fill = 'grey' ) densities