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Partition structures, Polya urns, the Ewens sampling formula, and the ages of alleles.

Abstract:

It has recently been shown that the Ewens sampling formula may be generated by a Polya-like urn model. A genealogical proof of this result equates the labelling of balls in the urn to the partition by age of alleles in the sample. This urn construction is shown to be equivalent to the construction of Kingman (Proc. Roy. Soc. London Ser. A 361 (1978), 1-20) using a Poisson-Dirichlet "paintbox" and as a consequence, the partition by ages is seen to be equivalent to the size biased permutation o...

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Publication status:
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Journal:
Theoretical population biology More from this journal
Volume:
30
Issue:
2
Pages:
271-288
Publication date:
1986-10-01
DOI:
EISSN:
1096-0325
ISSN:
0040-5809
Language:
English
Keywords:
Pubs id:
pubs:69398
UUID:
uuid:6bc22e7c-9ae6-4afc-bab6-2646bd445ea0
Local pid:
pubs:69398
Source identifiers:
69398
Deposit date:
2012-12-19

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