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Extends the glmnet and relaxnet packages with polynomial basis expansions. Basis expansion is applied to the predictors and a subset of the basis functions is chosen using relaxnet. Predictors may be screened using correlation or ttests. Screening is done separately within crossvalidation folds. Crossvalidation may be used to select the order of basis expansion and alpha, the elastic net tuning parameter.
Package details 


Author  Stephan Ritter, Alan Hubbard 
Date of publication  20130729 21:30:08 
Maintainer  Stephan Ritter <[email protected]> 
License  GPL (>= 2) 
Version  0.12 
URL  http://cran.rproject.org/package=widenet 
Package repository  View on CRAN 
Installation 
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