lpridge v1.0-8


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Local Polynomial (Ridge) Regression

Local Polynomial Regression with Ridging.


R package lpridge -- with lpepa() and lpridge()

  • Original S-plus interface and Fortran code by Burkhard Seiffert, Biostat Uni Zurich, April 1995.
  • The port of the lpepa and lpridge to R has been done by Martin Maechler, see DESCRIPTION.

  • A "link" (to Martin Maechler's files) of the original fortran routines and S-plus interface are in the R-forge repository https://r-forge.r-project.org/scm/viewvc.php/pkg/lpridge/?root=curves-etc (source via svn checkout svn://svn.r-forge.r-project.org/svnroot/curves-etc/pkg/lpridge )

    in sub directory


    but not in the package sources (lpridge_<ver>.tar.gz) on CRAN.

Short History:

  • MM did get the original sources in April 1995 as shar files, separately for lpepa and lpridge
  • found there were too many communalities to keep these separate.

  • one of the relatively first CRAN packages, May 18, 2001:


Functions in lpridge

Name Description
lpepa Local polynomial regression fitting with Epanechnikov weights
lpridge Local polynomial regression fitting with ridging
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Last month downloads


Date 2018-06-11
License GPL (>= 2)
NeedsCompilation yes
Packaged 2018-06-11 20:40:13 UTC; maechler
Repository CRAN
Date/Publication 2018-06-12 13:48:02 UTC

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