Re: [R] how to compute the inverse percentile of a given observation w.r.t. a reference distribution

From: David Winsemius <>
Date: Wed, 25 May 2011 17:09:21 -0400

On May 25, 2011, at 3:42 PM, rudi wrote:

> Hi,
> can anyone help me to figure out how to compute the percentile of an
> individual observation with respect to a reference distribution.
> What I mean is. Let's assume I have a vector consisting of 10 numbers
> {3,5,8,1,9,5,4,3,5.5,7} and I want figure out what percentile the
> number 4.9 corresponds to. I failed to find any reference to such a
> function, although I would assume this must frequently be necessary.


Talking about percentiles when you only have 10 numbers seems rather misleading, don't you think?

David Winsemius, MD
West Hartford, CT

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Received on Wed 25 May 2011 - 21:11:17 GMT

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