Linear Model with Tree-Based Lasso Regularization for Rare Features

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Documentation for package ‘rare’ version 0.1.1

• DESCRIPTION file.
• User guides, package vignettes and other documentation.

Help Pages

rare-package	Model path for tree-based lasso framework for selecting rare features
data.dtm	Document-term matrix for adjectives in TripAdvisor hotel reviews
data.hc	Hierarchical clustering tree for adjectives in TripAdvisor data set
data.rating	TripAdvisor hotel review ratings
find.leaves	Find all descendant leaves of a node in an hclust tree
group.plot	Visualize groups by coloring branches and leaves of an hclust tree
group.recover	Recover aggregated groups of leaf indices
rarefit	Fit the rare feature selection model
rarefit.cv	Perform K-fold cross validation
rarefit.predict	Make predictions from a rarefit object and a rarefit.cv object
tree.matrix	Generate matrix A encoding ancestor-descendant relationships in an hclust tree