Re: [R] Lowest values in a vector of numbers

> x <- rpois(50, 10) > which(x <= quantile(x, 0.2)) [1] 7 14 16 24 25 28 33 44 45 48 > x[which(x <= quantile(x, 0.2))] [1] 6 5 4 5 7 7 4 5 6 7 > quantile(x, 0.2) 20% 7.8 HTH, Dennis On Thu, Jul 28, 2011 at 9:42 PM, Jim Silverton wrote: > I have a vector of numbers, and I will like to find the

Re: [R] Lowest values in a vector of numbers

I have a vector of numbers, and I will like to find the positions of the lowest 20% of the values. Can anyhow point out how to do this. I tried the ecdf function but to no avail. -- Thanks, Jim. [[alternative HTML version deleted]] __ R-help