I have presence/absence data in the following format:
1 2 3 4 5 6 7 8 9
10 11 12
1 1 1 1 1 1 1 1 1 1
1 1 0
2 1 1 1 1 0 1 1 1 1
1 1 0
3 1 1 1 1 1 1 1 1 1
1 0 1
4 1 1 1 1 1 0 1 1 1
1 0 1
5 1 1 1 1 1 1 1 0 0
1 1 1
6 1 1 1 0 0 1 0 0 1
1 1 1
7 1 1 1 1 0 1 1 0 0
0 1 1
8 1 1 1 1 1 1 1 0 0
0 1 0
9 1 1 1 1 0 0 1 0 0
0 1 1
10 1 1 1 1 1 1 1 0 0
0 0 1
11 1 1 1 1 1 1 1 1 1
0 0 1
12 1 1 1 1 1 0 0 0 1
1 1 1
Which I want to use to create a ppp object in spatstat. I tried:
> X <- as.ppp(Lv2.8, owin(c(0, 12), c(0,12)))
and got
> plot(X)
0 1
0.000000 1.187939
http://r.789695.n4.nabble.com/file/n4562047/attempt1_ppp.jpg
Which obviously isn't what I'm after. To obtain a simple graphic of where
points are present on the plot, should I convert the raw data to
non-numerical values?
Thanks,
Tom
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