User-written functions in R and Multiple Regression models in R

  1. User-written functions: Be able to understand an R user-defined function such as finding the count of ODD numbers or getting the sum of the logarithms or floor of the logs or ceiling of the logs. How to do FOR loops. What is the syntax of an R function?

  2. Pages 195-202: Multiple Regression handout study questions and study guide for the Multiple Regression ozone example class handout and we did this example during class.

    Pages 195-202 handout at full size 8 pages is more readable. Contains an example/explanation of update() on page 202. This was NOT part of the two page reduced handout you received.