On Tue, 6 Feb 2007, Jian Zhang wrote: > I want to do "moran's I test" in R language. I try to use "gearymoran" in > Package "ade4","moran" in Package "spdep", and Moran.I in Package "ape". But > I do not know how to do it because data format is different.
Please consider posting on the R-sig-geo mailing list. If you are an ecologist, you may find the off-CRAN ncf package by Ottar Bjørnstad more intuitive - see the correlog function: http://asi23.ent.psu.edu/onb1/software.html > > My data: > > x y dbh > > 111.03 10.7 7 > > 118.11 0.28 1.2 > > 165.36 0.36 8.4 > > 282.9 0.3 7.5 > > 303.29 13.32 12.2 > > 319.28 3.88 6.2 > > 447 9 6 > > 445.5 18.3 13.8 > > 445.5 12.1 7.1 > > 467.64 1.2 4.7 > > 485.4 14.1 4.4 > > 2.98 23.95 11.7 > > 15 35.78 23.5 > > 130.21 23.6 14.1 > > 213.5 23.22 21.5 > > 233.57 28.76 35.4 > > 482.3 20.5 6 > > 69.73 45.21 7.5 > > 69.8 50.49 10.2 > > 76.65 45.5 21.5 > > > > "x","y" are spatial coordinate; > > "dbh" is variable > > I want to test the spatial autocorrelation of "dbh" in different distances > by "x" and "y". > > > > Thanks, > > Jian Zhang > > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- Roger Bivand Economic Geography Section, Department of Economics, Norwegian School of Economics and Business Administration, Helleveien 30, N-5045 Bergen, Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43 e-mail: [EMAIL PROTECTED] ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
