*I'm not sure if you're aware of the following publication: *
*2005*: Mapping sea bird densities over the North Sea: spatially aggregated estimates and temporal changes <http://www.citeulike.org/article/3505281> Pebesma Edzer J. and Duin Richard N. M. and Burrough Peter A. /Environmetrics/ *The analysis done there is mostly reproduced by: * *library(gstat) demo(fulmar) # Fulmaris glacialis * *Another direction you might want to look at is package geoRglm. * *Best regads, -- Edzer * Sven Adler wrote: > Dear all, > I want to model bird distribution at see. The data consists 10000 > samples but 90% are zeros. I try first a gamm (mgcv)with quasipoisson > but it might bee problematic with so many zeros. I look for a (spatial) > model that can use Zero Inflated Poisson distribution or similar. Is > there any? > > Thank you > sincerely yours > > Sven > > _______________________________________________ > R-sig-Geo mailing list > [email protected] > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > -- Edzer Pebesma Institute for Geoinformatics (ifgi), University of Münster Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251 8333081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de/ http://www.springer.com/978-0-387-78170-9 [email protected] _______________________________________________ R-sig-Geo mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-geo
