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genlasso (version 1.0)

Path algorithm for generalized lasso problems

Description

This package computes the solution path for generalized lasso problems. Important use cases are the fused lasso over an arbitrary graph, and trend fitting of any given polynomial order. Specialized implementations for the latter two subproblems are given to improve stability and speed.

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Version

Install

install.packages('genlasso')

Monthly Downloads

476

Version

1.0

License

GPL (>= 2.0)

Maintainer

Taylor B Arnold

Last Published

August 19th, 2012

Functions in genlasso (1.0)

cv.trendfilter

Perform k-fold cross-validation to choose a trend filtering model
plot.genlasso

Plotting methods for generalized lasso objects
genlasso-package

Package to compute the solution path of generalized lasso problems
trendfilter

Compute the trend filtering solution path for any polynomial order
genlasso

Compute the generalized lasso solution path for arbitrary penalty matrix
predict.genlasso

Make predictions given a genlasso object
fusedlasso

Compute the fused lasso solution path for a general graph, or a 1d or 2d grid
filebackout

Process file backed fused lasso output
coef.genlasso

Extract cefficients from a genlasso object
softthresh

Fit a sparse variant of the fused lasso
getDxx

Helper functions for constructing generalized lasso penalty matrices