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.
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
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