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flare (version 0.9.9)

Family of Lasso Regression

Description

The package "flare" provides the implementation of a family of Lasso variants including Dantzig Selector, LAD Lasso, SQRT Lasso, Lq Lasso for estimating high dimensional sparse linear model. For Dantzig selector and Lq Lasso, we adopt the alternating direction method of multipliers (ADMM) and convert the original optimization problem into a sequential L1 penalized least square minimization problem, which can be efficiently solved by combining the linearization and the efficient coordinate descent algorithm. For LAD and SQRT Lasso, we adopt the combination of the dual smoothing and monotone fast iterative soft-thresholding algorithm (MFISTA). The computation is memory-optimized using the sparse matrix output. Besides the sparse linear model estimation, we also provide the extension of these Lasso variants to sparse Gaussian graphical model estimation including TIGER and CLIME (ADMM) using either L1 or adaptive L1 penalty.

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Install

install.packages('flare')

Monthly Downloads

548

Version

0.9.9

License

GPL-2

Maintainer

Last Published

April 1st, 2013

Functions in flare (0.9.9)