inst/benchmarks/bench-cutOff.R

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

##############################################
#
# Damian Skrzypiec
# Test of function cutOff_k()
#
##############################################


# Loading library and function
library(Rcpp)
library(RcppArmadillo)
library(FSelector)



# Prepare datasets
testDataFrame <- data.frame(x = rnorm(100000))
rownames(testDataFrame) <- paste0("row_",  1:100000)


# Testing C++ version:
system.time(x <- cutOff_k(rownames(testDataFrame), testDataFrame$x, k = 1894))

# Testing regular FSelector
system.time(x2 <- FSelector::cutoff.k(testDataFrame, 1894))