r语言nonzerocoef函数_lars算法R语言操作指南.pdf

lars算法R语言操作指南.pdf

Package ‘lars’

February 20, 2015

Type Package

Version 1.2

Date 2013-04-23

Title Least Angle Regression, Lasso and Forward Stagewise

Author Trevor Hastie and Brad Efron

Maintainer Trevor Hastie

Description Efficient procedures for fitting an entire lasso sequence

with the cost of a single least squares fit. Least angle

regression and infinitesimal forward stagewise regression are

related to the lasso, as described in the paper below.

Depends R (>= 2.10)

License GPL-2

URL /~hastie/Papers/#LARS

NeedsCompilation yes

Repository CRAN

Date/Publication 2013-04-24 09:46:12

R topics documented:

cv.lars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

diabetes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

lars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

plot.lars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

predict.lars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

summary.lars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Index 10

1

2 cv.lars

cv.lars Compu