[R] Sampling given a table of percentages?
Liaw, Andy
andy_liaw at merck.com
Wed Feb 16 20:00:14 CET 2005
Wouldn't sample(length(V), prob=V) do?
Andy
> From: Ben Hyde
>
> I have a vector V. sum(V) = 100, i.e. it's percentages.
> length(V) is
> large. I wish to generate samples (with replacement is fine),
> integers, in the range 1:length(V) who's distribution is
> driven by the
> distribution implied by the percentages in V. V is unsorted, but
> that could change. I'd rather not be too specific about the
> distribution of V. I can certainly solve the problem
> intersecting my
> thin knowledge of R with my skills in programming, but I suspect this
> is trivial to somebody fluent in R. Suggestions? Thanks! - ben
>
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