Completed Exploratory Data Analysis Project 1.
 Changes to be committed:
	new file:   Initialize.R
	new file:   plot1.R
	new file:   plot1.png
	new file:   plot2.R
	new file:   plot2.png
	new file:   plot3.R
	new file:   plot3.png
	new file:   plot4.R
	new file:   plot4.png