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DESCRIPTION
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Package: FeatureHashing
Type: Package
Title: Creates a Model Matrix via Feature Hashing with a Formula Interface
Version: 0.9.1.5
Date: 2019-11-24
Authors@R: c(
person("Wush", "Wu", email = "[email protected]", role = c("aut", "cre")),
person("Michael", "Benesty", email = "[email protected]", role = c("aut", "ctb")))
Maintainer: Wush Wu <[email protected]>
Description: Feature hashing, also called as the hashing trick, is a method to transform
features of a instance to a vector. Thus, it is a method to transform a real dataset to a matrix.
Without looking up the indices in an associative array,
it applies a hash function to the features and uses their hash values as indices directly.
The method of feature hashing in this package was proposed in Weinberger et al. (2009) <arXiv:0902.2206>.
The hashing algorithm is the murmurhash3 from the 'digest' package.
Please see the README in <https://github.com/wush978/FeatureHashing> for more information.
License: GPL(>= 3) | file LICENSE
Depends:
R (>= 3.1),
methods
Imports:
Rcpp (>= 0.11),
Matrix,
digest(>= 0.6.8),
magrittr (>= 1.5)
LinkingTo: Rcpp, digest(>= 0.6.8), BH(>= 1.54.0-1)
Suggests: RUnit, glmnet, knitr, xgboost, rmarkdown, pROC
SystemRequirements: C++11
BugReports: https://github.com/wush978/FeatureHashing/issues
URL: https://github.com/wush978/FeatureHashing
VignetteBuilder: knitr
RoxygenNote: 7.2.1