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2005
2005 Nov 14
1
point pattern interactions (Gcross and Kcross)
...e data from two text files and created point objects using
as.ppp. I then created a marked planar point pattern using ppp. I am
fairly sure that everything worked, because when I ask for information about
the data file, I get
marked planar point pattern: 628 points
multitype, with levels = w2004 w2005
window: rectangle = [ 607200 , 634800 ] x [ 3438400 , 3460400 ]
(Note: the window values are so large because I am using UTM coordinates for
my x and y locations)
However, when I run gcross, I get the following error:
code: g.0405<-Gcross(oakwilt, i="w2004", j="w2005")
error...