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Archiver > GENEALOGY-DNA > 2009-02 > 1235411681


From: "Ken Nordtvedt" <>
Subject: Re: [DNA] TMRCAs for groups of haplotypes ?
Date: Mon, 23 Feb 2009 10:54:41 -0700
References: <49A2D0B4.5070808@ucl.ac.uk> <49A2DFAD.8020507@san.rr.com>


People have been trying to beat noise for centuries, including Maxwell's
Demon. They have always failed.

----- Original Message -----
From: "Al Aburto" <>
To: <>
Sent: Monday, February 23, 2009 10:41 AM
Subject: Re: [DNA] TMRCAs for groups of haplotypes ?


> > James Heald wrote:
>> He [Anatole] gives an uncertainty in the overall TMRCA as only "+/- 200
>> years"
>>
>> What do people think?
>>
>
> Anatole's method is different than that of the infinite allele model of
> Bruce Walsh. Because of this the Std. Dev. or CI will likely be
> different between the two methods (one cannot presume they will be the
> same). I would suggest understanding Anatole's method to see if you can
> come up with the same Std. Dev. that he arrives at. He may be right.
> Al
>
>
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