rdpeng/ExData_Plotting1 — pull request #141 by FMurphyHernandez (2014-11-09 18:16:36+00:00)
Title: plot1.png

![plot1](https://cloud.githubusercontent.com/assets/8765891/4968328/82d7b6dc-683c-11e4-9d88-30ada65995d2.png)