Semiparametric Regression

R and S-PLUS code

Last changed: 8th April, 2008

R and S-PLUS code to accompany the book Semiparametric Regression
by D. Ruppert, M.P. Wand and R.J. Carroll is available in the following four forms:

  1. S-PLUS code in Appendix B of the book.

  2. The S-PLUS component of Ngo, L. & Wand, M.P. (2004). Smoothing with mixed model software.
    Volume 9, 2004, Issue 1, Journal of Statistical Software.

  3. A set of example R scripts. These correspond to the shortcourse from the book given in Pittsburgh
    in March 2004. The 9 files below comprise the 4 data files, a required support function and 4 script files.

  4. The SemiPar R package. See here for the latest information on SemiPar.

Please report errors and provide feedback to Matt Wand (
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