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Article #659

Agregated --> Uniform distribution

#659
From: Eric Wajnberg
Date: Mon, 16 Nov 1992 11:17
35 lines
2065 bytes
    Dear Netters,

    I have one problem I am not able to answer by myself. I'm working
    on  host-parasite interactions in insects ; and more precisely on
    spatial distribution of both hosts  and  parasites.  For  several
    reasons,  I  need to transform the host spatial distribution pat-
    tern (which usually show a highly agretated  structure)  into  an
    uniform distribution, in both the x's and the y's direction. This
    will allows me to accurately diescribe the characteristics of the
    parasite  distribution AT A STANDARDIZED HOST DISTRIBUTION.. So I
    have the Xi-Yi coordinates of all the hosts, and I  thus  need  a
    transformation on these pairs of data.

    If there is only one patch of hosts, the most obvious transforma-
    tion  is  to  take the ranks of the x's and the y's. However, for
    more than one path such a simple transfomation does not work  any
    more.

    Is there someone out there that can provide me any help in this?

    Thanks in advance.


    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     |\/\/\/|      Eric Wajnberg
     |      |      Centre de Recherche d'Antibes
     |      |      Laboratoire de Biologie des Invertebres
     | (o)(o)      Unite de Biologie des Populations
     C      _)     I.N.R.A.
     | ,___|       37, Bld. du Cap. 06600 Antibes. France.
     |   /         Tel : (33) 93.67.88.92
     /___\         Fax : (33) 93.67.88.25
    /     \        e-mail : wajnberg@antibes.inra.fr

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Message-ID: <1992Nov16.111755.13990@inra.fr>
Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!julienas!jouy!antibes!wajnberg

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Newsgroups: sci.math.stat
Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!julienas!jouy!antibes!wajnberg
From: wajnberg@antibes.antibes.inra.fr (Eric Wajnberg)
Subject: Agregated --> Uniform distribution
Message-ID: <1992Nov16.111755.13990@inra.fr>
Keywords: fonction to transform patchly to uniform distributions
Sender: wajnberg@antibes.inra.fr
Nntp-Posting-Host: antibes-gw
Organization: I.N.R.A. Antibes (France) - Biologie des Populations
Date: Mon, 16 Nov 92 11:17:55 GMT
Lines: 35