Analysing spatial point patterns in R - CSIRO

31.3 Distance methods and summary functions 195
array of G functions for amacrine.
off
on
fisher(Gcrossoff, off(r))
0.0 0.5 1.0 1.5
fisher(Gcrossoff, on(r))
0.0 0.5 1.0 1.5
0.0 0.5 1.0 1.5
fisher(Gcrosspois(r))
0.0 0.5 1.0 1.5
fisher(Gcrosspois(r))
on
fisher(Gcrosson, off(r))
0.0 0.5 1.0 1.5
fisher(Gcrosson, on(r))
0.0 0.5 1.0 1.5
off
0.0 0.5 1.0 1.5
fisher(Gcrosspois(r))
0.0 0.5 1.0 1.5
fisher(Gcrosspois(r))
As mentioned above, the function array can be indexed by array subscripts.
> data(lansing)
> a dim(a)
> b aGfish data(amacrine)
> markconnect(amacrine, "on", "off")
We can use alltypes to compute the mark connection function p ij for all pairs of types i
and j:
> plot(alltypes(amacrine, markconnect))
CopyrightCSIRO 2010