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Family of Lasso Regression

Provide the implementation of a family of Lasso variants including Dantzig Selector, LAD Lasso, SQRT Lasso, Lq Lasso for estimating high dimensional sparse linear model. We adopt the alternating direction method of multipliers and convert the original optimization problem into a sequential L1 penalized least square minimization problem, which can be efficiently solved by linearization algorithm. A multi-stage screening approach is adopted for further acceleration. 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 using either L1 or adaptive penalty. Missing values can be tolerated for Dantzig selector and CLIME. The computation is memory-optimized using the sparse matrix output.

Functions in flare

Name Description
flare-internal Internal flare functions
flare-package flare: a new Family of Lasso Regression
predict.slim Prediction for an object with S3 class "slim"
plot.roc Plot Function for "roc"
plot.sim Plot Function for "sim"
plot.select Plot Function for "select"
plot.slim Plot Function for "slim"
coef.slim Extract Model Coefficients for an object with S3 class "slim"
sugm High-deimensional Sparse Undirected Graphical Models.
sugm.plot Graph visualization for an object with S3 class "sugm"
print.sugm Print Function for an object with S3 class "sugm"
eyedata The Bardet-Biedl syndrome Gene expression data from Scheetz et al. (2006)
print.sim Print Function for for an object with S3 class "sim"
sugm.generator Data generator for sparse undirected graph estimation.
slim Sparse Linear Regression using Nonsmooth Loss Functions and L1 Regularization
print.roc Print Function for for an object with S3 class "roc"
plot.sugm Plot Function for "sugm"
print.select Print Function for for an object with S3 class "select"
print.slim Print Function for an object with S3 class "slim"
sugm.roc Draw ROC Curve for an object with S3 class "sugm"
sugm.select Model selection for high-dimensional undirected graphical models
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Type Package
Date 2018-03-21
License GPL-2
Repository CRAN
NeedsCompilation yes
Packaged 2018-03-24 16:13:43 UTC; maomao-xingguo
Date/Publication 2018-03-25 15:01:28 UTC

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