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Message-ID: <alpine.LNX.2.00.1109260632440.11017@salmo.appl-ecosys.com>
Date: 2011-09-26T13:34:44Z
From: Rich Shepard
Subject: Calculating spatial autocorrelation (Moran's I) when have zero-inflated data?
In-Reply-To: <CAHLsRKmAtAgBGrO=9o-+3gd_BCDMPGvTGfhPmJDgE_xK1wH1jQ@mail.gmail.com>

On Sun, 25 Sep 2011, Laura S wrote:

> 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.

Laura,

   Read Section 8.4 (and the rest of their book while you're at it) in
"Applied Spatial Data Analysis with R" by Roger S. Bivant, Edzer J. Pebesma,
and Virgilio Gomez-Rubio.

Rich