Dataviz Starter

start-with-ggplot.R

# some data are already loaded in R
mtcars

# install a package called ggplot2
# with functions for data visualization
# You need to do this only once
install.packages('ggplot2')

# load functions from the package ggplot
# You need to do this only every time you open R
library(ggplot2)

# Make a scatterplot with the data
ggplot(data = mtcars) +
  aes(x = disp,
      y = hp) +
  geom_point() +
  geom_smooth()