This depository is Homework 6 for Doing Data Science 6306 Section 401 Tuesdays at 9:30 - 11:00 PM EST, Cohort 2017 Spring semester at SMU -- "DDS-HW6" for short. Authors: Yao Yao, Jason Cessna, Steven Stevenson. This project was submitted through GitHub on RStudio version 1.0.136.