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Message-ID: <sd3417cf.076@tedmail.lgc.co.uk>
Date: 2011-01-17T10:19:44Z
From: S Ellison
Subject: median by geometric mean

Will this do?

x <- runif(20, 1, 100)

exp( median( log( x) ) ) 

S Ellison



>>> Skull Crossbones <witch.of.agnessi at gmail.com> 15/01/2011 16:26 >>>
Hi All,

I need to calculate the median for even number of data points.However
instead of calculating
the arithmetic mean of the two middle values,I need to calculate their
geometric mean.

Though I can code this in R, possibly in a few lines, but wondering if
there
is
already some built in function.

Can somebody give a hint?

Thanks in advance

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