做主成分回归和偏最小二乘回归

				%% $Id: delete.intercept.Rd 146 2007-10-15 12:19:11Z bhm $				\encoding{latin1}				\name{delete.intercept}				\alias{delete.intercept}				\title{Delete intercept from model matrix}				\description{				  A utility function to delete any intercept column from a model matrix,				  and adjust the \code{"assign"} attribute correspondingly.  It is used				  by formula handling functions like \code{mvr} and \code{model.matrix.mvr}.				}				\usage{				delete.intercept(mm)				}				\arguments{				  \item{mm}{Model matrix.}				}				\value{				  A model matrix without intercept column.				}				\author{Bj鴕n-Helge Mevik and Ron Wehrens}				\seealso{\code{\link{mvr}}, \code{\link{model.matrix.mvr}}}				\keyword{internal}