> When i want to do ANOSIM i get an NaN error message. What is wrong?
> > (lots of other code)
> > iwithin=rep(0,(N*(N-1)/2) )
> > r.w=sum(r*iwithin)/sum(iwithin)
iwithin is a vector of zeroes and so is its sum. r*iwithin is also a
vector of zeroes, and so is its sum. Thus r.w=sum(r*iwithin)/sum(iwithin)
is zero divided by zero, which is not defined.
Regards,
Richie.
Mathematical Sciences Unit
HSL
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