dot-information_gain: Direct Interface to Information Gain.

In FSelectorRcpp: 'Rcpp' Implementation of 'FSelector' Entropy-Based Feature Selection Algorithms with a Sparse Matrix Support

Direct Interface to Information Gain.

Description

Direct Interface to Information Gain.

Usage

.information_gain(
  x,
  y,
  type = c("infogain", "gainratio", "symuncert"),
  equal = FALSE,
  discIntegers = TRUE,
  nbins = 5,
  threads = 1
)

Arguments

x	A data.frame, sparse matrix or formula with attributes.
y	A vector with response variable or data.frame if formula is used.
type	Method name.
equal	A logical. Whether to discretize dependent variable with the equal frequency binning discretization or not.
discIntegers	logical value. If true (default), then integers are treated as numeric vectors and they are discretized. If false integers are treated as factors and they are left as is.
nbins	Number of bins used for discretization. Only used if 'equal = TRUE' and the response is numeric.
threads	defunct. Number of threads for parallel backend - now turned off because of safety reasons.

Details

In principle using information_gain is safer.

data.frame with the following columns:

• attributes - variables names.

• importance - worth of the attributes.

FSelectorRcpp documentation built on Oct. 3, 2024, 1:08 a.m.