Select by Ranking — selectByRanking • featscreen

Select elements based on their ranking.

Usage

selectByRanking(
  x,
  k = length(x),
  method = c("auto", "shell", "quick", "radix"),
  decreasing = TRUE,
  use.abs = FALSE
)

Arguments

x: numerical vector.
k: integer value indicating the number of top elements to keep.
method: character string indicating the method used for sorting (see sort).
decreasing: logical indicating whether to sort in decreasing order.
use.abs: logical indicating whether to use absolute values.

Value

A logical vector indicating the elements to keep.

Author

Alessandro Barberis

Examples

#Seed
set.seed(1010)

#Data
x = seq(10)
names(x) = paste0("f", seq(10))

#Select
selectByRanking(x = x, k = 5)
#>    f1    f2    f3    f4    f5    f6    f7    f8    f9   f10 
#> FALSE FALSE FALSE FALSE FALSE  TRUE  TRUE  TRUE  TRUE  TRUE