Commit with old files deleted
Merge pull request #32 from rdpeng/eda

Eda
fixed ordered list in functions lecture of r programming course
cropped intro to git screenshots for better display
cropped intro to github screenshots for better display
cropped create a repo images for better display
fixed exponent on last slide of reading data lecture
fixed small typos in getting help lecture of r programming course
Merge pull request #33 from ncarchedi/master

cropped images from git lectures for better display
Commit lectures on caret
fixed trainControl lecture
Merge pull request #34 from jtleek/jeff

Prediction updates