ggplot2tutorial1.R

# First let's download some data files which we will use in the tutorial.

library(ggplot2) # install.packages("ggplot2") if you don't have the package
library(downloader) # install.packages("downloader") if you don't have the package

# Create and set a new directory for the tutorial
dir.create(paste0(getwd(),"/ggplot2tutorial"))
setwd(paste0(getwd(),"/ggplot2tutorial"))

# Download the zip file with all the data and unzip it to the tutorial folder
download("http://tutorials.iq.harvard.edu/R/Rgraphics.zip", destfile="Rgraphics.zip", mode="wb")
unzip("Rgraphics.zip")

# Let's read the data we'll use.
housing <- read.csv("./Rgraphics/dataSets/landdata-states.csv")
head(housing[1:5])