[GRASS-user] local Moran's I on grass

Markus Neteler neteler at osgeo.org
Sat May 9 03:30:47 EDT 2009


On Sat, May 9, 2009 at 12:56 AM, Milton Cezar Ribeiro
<miltinho.astronauta at gmail.com> wrote:
> Dear all,
>
> Is there a way of I calculate Moran's I index on grass,
> and generate a map with residuals?

It was there in 1992 :)
http://lists.osgeo.org/pipermail/grass-user/1992-April/013752.html
http://lists.osgeo.org/pipermail/grass-user/1992-May/013863.html

but still:
http://intevation.de/rt/webrt?serial_num=4494

However, in R, Moran's I and local Moran's I_i are in contributed
package "spdep":
http://cran.at.r-project.org/web/packages/spdep/index.html

A small tutorial from Roger Bivand is here:
North Carolina SIDS data set
http://cran.at.r-project.org/web/packages/spdep/vignettes/sids.pdf

Markus


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