| 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) which.minn(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, [email protected]
See Also
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 4.0.1 Index]