Message-ID: <4E802C94.7010402@geo.hu-berlin.de>
Date: 2011-09-26T07:41:08Z
From: Christian Levers
Subject: Calculating spatial autocorrelation (Moran's I) when have zero-inflated data?
In-Reply-To: <CAHLsRKmAtAgBGrO=9o-+3gd_BCDMPGvTGfhPmJDgE_xK1wH1jQ@mail.gmail.com>
As far as I know that would be the Join Counts statistics.
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http://www.spatialanalysisonline.com/output/html/SpatialAutocorrelation.html
Cheers, Christian
Am 26.09.2011 06:57, schrieb Laura S:
> Dear all:
>
> I was wondering if you have suggestions on how to analyze the spatial
> autocorrelation of tree abundance in a grid of contiguous quadrats given
> that the data set follows a zero inflated distribution, i.e., in many
> quadrats the abundance of a species is zero.
>
> Thank you for your time and consideration,
> Laura
>
> ***<http://www.sciencedirect.com/science/article/pii/S0304380009000271#aff2>
> *
--
MSc Geogr. Christian Levers
Research Assistant | PhD Student
Geomatics Lab | Geography Department | Humboldt-Universitaet zu Berlin
eMail: christian.levers at geo.hu-berlin.de
phone: +49 (0) 30 2093 9341
fax: +49 (0) 30 2093 6848
mail: Unter den Linden 6 | 10099 Berlin | Germany
web: www.hu-geomatics.de