Earth: Multivariate Adaptive Regression Splines (MARS)
The earth package is an implementation of Jerome Friedman's Multivariate Adaptive Regression Splines, commonly known as "MARS".
Earth is licensed under the GPL and runs in an R environment, or can be used as a stand-alone C library.
Earth is derived from the mda:mars library written by Trevor Hastie and Rob Tibshirani.
Download
Download link to CRAN
General information on MARS
Wikipedia article (recommended)
Statsoft commercial vendor
Salford commercial vendor
Details
Timing tests
Internal data structures
Internal call graphs
Citing earth
Standalone version (about 3 MBytes) for those who want to call earth from their own software, without R
README for the standalone version
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