selectPercentile: Select Percentile

In FSinR: Feature Selection

Description

Generates a direct search function that selects a fraction, given as a percentage, of the total number of available features (The features evaluation is individual). This function is called internally within the directSearchAlgorithm function.

Usage

selectPercentile(percentile = 80)

Arguments

percentile

Number (positive integer) between 0 and 100

Value

Returns a direct search function that is used in the feature selection process.

Author(s)

Adan M. Rodriguez

Francisco Aragón Royón

Examples

## Not run:  

## The direct application of this function is an advanced use that consists of using this 
# function directly and performing a direct search process
## Classification problem


# Generates the filter evaluation function
filter_evaluator <- filterEvaluator('determinationCoefficient')

# Generates the direct search function with percentile
sp_direct_search <- selectPercentile()
# Performs the direct search process directly (parameters: dataset, target variable and evaluator)
sp_direct_search(iris, 'Species', filter_evaluator)

## End(Not run)

FSinR documentation built on Nov. 23, 2020, 5:10 p.m.