# NOT RUN {
#NON SPATIAL DATA
shannonZ(sample(1:5, 50, replace=TRUE))
#POINT DATA
data.pp=runifpoint(100, win=square(10))
marks(data.pp)=sample(c("a","b","c"), 100, replace=TRUE)
shannonZ(marks(data.pp))
#LATTICE DATA
data.lat=matrix(sample(c("a","b","c"), 100, replace=TRUE), nrow=10)
shannonZ(data.lat)
#when categories are missing
shannonZ(data.lat, missing.cat=c("d", "e"))
# }
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