R: Where are the n largest or n smallest elements in a numeric...

which.maxn {doBy} | R Documentation

## Where are the n largest or n smallest elements in a numeric vector ?

### Description

Determines the locations, i.e., indices of the n largest or n smallest elements of a numeric vector.

### Usage

    which.maxn(x, n = 1)

### Arguments

`x` | numeric vector
`n` | integer >= 1

### Value

A vector of length at most n with the indices of the n largest / smaller elements. NAs are discared and that can cause the vector to be smaller than n.

### Author(s)

Søren Højsgaard, sorenh@math.aau.dk

### See Also

`which.max`, `which.min`

### Examples

    x <- c(1:4, 0:5, 11, NA, NA)
    ii <- which.minn(x, 5)

    x <- c(1, rep(NA,10), 2)
    ii <- which.minn(x, 5)

[Package doBy version 4.6.5 Index]