Code and data sets for the methods discussed in Clifford M. Hurvich, Jeffrey S. Simonoff, and Chih-Ling Tsai, "Smoothing Parameter Selection in Nonparametric Regression Using an Improved Akaike Information Criterion," Journal of the Royal Statistical Society, Series B, 60, 271-293 (1998).

After downloading the S-PLUS dump file aicc.dmp, restore it using the data.restore command (the foreign package must be loaded first if R is being used). The following functions and data set will be restored:

  • aicc.loess
  • aicc.spline
  • crit.loess
  • crit.spline
  • newscirc.dat

  • The file is available here.

    Click here for related code for categorical data smoothing and density estimation and semiparametric and additive models.

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