QQ Plot demo applet (created by Zhan Xiong, posted to Stack Exchange here)
ui.Rin RStudio, and click the “Run App” button at the top of the source pane.
Code from 2/12 class on checking regression conditions here
Code from 2/14 class on checking regression conditions here
Code from 3/7 class on interactions with 3D plots here
Code from 3/30 class on automated selection methods here
Code from 4/16 class on outlier detection in logistic regression here
Code from 4/18-4/20 class: extended logistic regression example here