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Archiver > GENEALOGY-DNA > 2006-08 > 1155505346


From: John Cartmell <>
Subject: Re: [DNA] Averaging
Date: Sun, 13 Aug 2006 22:42:26 +0100
References: <44DF5EC8.7000807@scs.uiuc.edu> <000601c6befd$5a677210$6400a8c0@Ken1> <44DF6274.4010800@mchsi.com> <002801c6bf00$3bed7200$6400a8c0@Ken1>
In-Reply-To: <002801c6bf00$3bed7200$6400a8c0@Ken1>


On 13 Aug, Ken Nordtvedt <> wrote:
> Rebekah, I actually do know how to take an average. My comment was mainly
> about why one would want an average in the context of marker repeats, which
> except in a few interesting cases are integer numbers. Repeat
> distributions --- yes --- they are interesting. Modal values of these
> repeats (the most frequent case) are also interesting as shortcut for
> looking at the whole distribution. But what does one do with an average of
> 14.32 for DYS388 in haplogroup I1a ? I just made that number up, by the
> way, using my memory of the actual situation in I1a.

Why is mean being used rather than modal?


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