Add syllabus
Write up example analysis in R Markdown
Start converting to R Markdown
Continue example data analysis
Fix typo
Add week 3 announcement
Add week 3 announcements
Finalize example analysis
Let's try to spell Johns Hopkins correctly
Update PDFs
Merge remote-tracking branch 'origin/master'

* origin/master:
Merge pull request #13 from rdpeng/master

Latest stuff on RR and EDA