DNA-R1B1C7-L Archives

Archiver > DNA-R1B1C7 > 2012-01 > 1325759138

From: "Sandy Paterson" <>
Subject: Re: [R-M222] analysis
Date: Thu, 5 Jan 2012 10:25:38 -0000
References: <5ab7.327af185.3c365f07@aol.com>
In-Reply-To: <5ab7.327af185.3c365f07@aol.com>


If by the Poisson distribution, you mean the ln(257/89)/.022, then you've
misunderstood. It has nothing to do with Poisson. As I recall, it is simply
a check on the linear estimation by comparing it with an estimate using
proportion on modal. If the two answers come out around the same, he takes
it as a good sign that the mutations in the population haven't resulted in
some strange distribution.

If you are interested, I can explain what a Poisson distribution is.


-----Original Message-----
[mailto:] On Behalf Of
Sent: 05 January 2012 02:04
Subject: Re: [R-M222] analysis

In a message dated 1/4/2012 2:58:08 P.M. Central Standard Time,

Further on he presents a method to confirm a share common ancestor by
comparing results from using the Poisson distribution of member's halpotype
a linear mutation method. They should come up with approximately the same
number of generation.

Has this approach been applied for the populous surname projects -
MacLoughlin, O'Docherty etc. ?

Anotole did present a method to confirm whether a cluster shared a genuine
common ancestor but no - it hasn't been tried by one anyone on any results
from the M222 project. One of us has to learn how to do it first.


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