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wsrf (version 1.5.24)

Weighted Subspace Random Forest for Classification

Description

A parallel implementation of Weighted Subspace Random Forest. The Weighted Subspace Random Forest algorithm was proposed in the International Journal of Data Warehousing and Mining, 8(2):44-63, 2012, proposed by Baoxun Xu, Joshua Zhexue Huang, Graham Williams, Qiang Wang, and Yunming Ye. The algorithm can classify very high-dimensional data with random forests built using small subspaces. A novel variable weighting method is used for variable subspace selection in place of the traditional random variable sampling.This new approach is particularly useful in building models from high-dimensional data.

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Version

Install

install.packages('wsrf')

Monthly Downloads

363

Version

1.5.24

License

GPL (>= 2)

Maintainer

He Zhao

Last Published

July 7th, 2015

Functions in wsrf (1.5.24)

wsrf

Build a Forest of Weighted Subspace Decision Trees
wsrfParallelInfo

Query about underlying parallel implementation information
correlation.wsrf

Correlation
strength.wsrf

Strength
importance.wsrf

Extract Variable Importance Measure
combine.wsrf

Combine Ensembles of Trees
subset.wsrf

Subset of a Forest
print.wsrf

Print Method for wsrf model
varCounts.wsrf

Number of Times of Variables Selected as Split Condition
predict.wsrf

Predict Method for wsrf Model
oob.error.rate.wsrf

Out-of-Bag Error Rate