Homework 2 ) Q2

library(ggplot2)

g1 <- ggplot(mpg,aes(hwy,fill = drv)) + 
  geom_histogram(binwidth=1,alpha=0.5) + 
  theme_minimal()

2.1 Final Output

g2 <- g1 + 
  ylim(0,30) + 
  facet_grid(rows = vars(drv)) + 
  labs(title="Histogram using facet_grid()",subtitle = "Histogram of Highway Mile Per Gallon",caption = "Source: mpg")
g2