selectKBest {FSinR} | R Documentation |
Select K best
Description
Generates a direct search function that takes the 'k' features with the greatest evaluations (The features evaluation is individual). This function is called internally within the directSearchAlgorithm
function.
Usage
selectKBest(k = 1)
Arguments
k |
Number (positive integer) of returned features |
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 k-best
skb_direct_search <- selectKBest()
# Performs the direct search process directly (parameters: dataset, target variable and evaluator)
skb_direct_search(iris, 'Species', filter_evaluator)
## End(Not run)
[Package FSinR version 2.0.5 Index]