Time to get serious about data analysis projects in R. This week we introduce core skills related to workflow, R packages, data input/output, basic exploration, and version control. We'll also continue building literate programming skills in R Markdown.

• Review R Survival Guide, Chs 3 and 4
• Jenny Bryan’s Stat 545 text, Chs 2 and 5
• Make sure you've configured Git and linked RStudio with your GitHub account.

• trash_wheels.csv data from Baltimore's trash wheels
• R crash course guide
• Guide to markdown and the rendered output

• Problem Set 2 is due in hard copy on January 31.
• Extra Credit: it's all around you. All you have to do is look...