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Pruned discrete random samples
Journal article   Open access

Pruned discrete random samples

Rudolf Grübel and Paweł Hitczenko
Electronic notes in discrete mathematics, v 44, pp 321-326
05 Nov 2013
url
https://doi.org/10.1016/j.endm.2013.10.050View
Published, Version of Record (VoR)Open Access (License Unspecified) Open

Abstract

Chinese restaurant process digital search trees geometric distribution maxima tail behaviour
Let Xi,i∈N, be independent and identically distributed random variables with values in N0. We transform (‘prune’) the sequence {X1,…,Xn},n∈N, of discrete random samples into a sequence {0,1,2,…,Yn},n∈N, of contiguous random sets by replacing Xn+1 with Yn+1 if Xn+1>Yn. We consider the asymptotic behaviour of Yn as n→∞. Applications include path growth in digital search trees and the number of tables in Pitmanʼs Chinese restaurant process if the latter is conditioned on its limit value.

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