peterwsetter/epa-nei

Exploratory analysis of National Emissions Inventory for JHSPH's Data Science Specialization

epa-nei

Exploratory analysis of National Emissions Inventory for JHSPH's Data Science Specialization

Overview

This repository contains the files for completing Course Project 2 in Exploratory Data Analysis, offered by John Hopkins School of Public Health's Data Science Specialization

Files

• assignment-description.pdf - Overview of assignments
• obtaindata.R - Downloads, unzips, and reads the data
• plot1.R & plot1.png - Graphs total PM2.5 emissions between 1999 and 2008
• plot2.R & plot2.png - Graphs total PM2.5 emissions for Baltimore City, MD
• plot3.R & plot3.png - Graphs PM2.5 emissions by type for Baltimore City, MD
• plot4.R & plot4.png - Graphs PM2.5 emissions from coal combustion sources for the United States
• plot5.R & plot5.png - Graphs PM2.5 emissions from motor vehicles for Baltimore City, MD
• plot6.R & plot6.png - Graphs the change in PM2.5 emission from motor vehicles for Baltimore, City, MD and Los Angeles County, CA