Hints & Updates for Exam 2
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Last Update: 11:30am, Monday 2 May 2016

Update files are found in the (updated) examp2.zip file.
Original zip file can be found at exam2.0.zip

Changes:
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Problem 3: Has been rephrased to clarify that I'm asking you to look at the given Partial Residual Plots and then describe any changes to improve the model used in ex2-prob3.R  The extra credit asks you to implement those described changes and evaluate them as suggested.

Problem 5: The correct script is ex2-prob5.R, not ex2-prob4.R.  Furthermore, I've updated that script to load the car package for the vif() function.