[M]-Scatterplot.md

Scatterplot

Base R Graphic

Actual Code

One Variable

plot(mtcars$mpg, main = "Scatterplot for `mtcars$mpg`")

Two Variables

plot(mtcars$wt, mtcars$mpg,
     main = "Scatterplot for `mtcars$mpg` on `mtcars$wt`")

ggplot2 Graphic

Preparation Code

# Functions
library(ggplot2)

Actual Code

One Variable

qplot(seq_along(mtcars$mpg), mtcars$mpg) +
  labs(title = "Scatterplot for `mtcars$mpg`")

Two Variables

ggplot(mtcars, aes(y = mpg, x = wt)) +
  geom_point() +
  labs(title = "Scatterplot for `mtcars$mpg` on `mtcars$wt`")