which.maxn {doBy} | R Documentation |
Determines the locations, i.e., indices of the n largest or n smallest elements of a numeric vector.
which.maxn(x, n = 1) which.minn(x, n = 1)
x |
numeric vector |
n |
integer >= 1 |
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.
Søren Højsgaard, sorenh@math.aau.dk
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)