These pages are under revision
- Roger’s Seminar: Graphing in R
(collaboration with Roger Peng of the UCLA Stat Department) - Debugging tools in R (courtesy of Roger Peng of the UCLA Stat Department)
- Introduction to the .c interface to R
(courtesy of Roger Peng of the UCLA Stat Department) - Advanced functions
- Introduction to functions
- Matrices and matrix computations
- Introduction to bootstrapping
- Coding systems for categorical variables