Because we want the values in table(x[,2]) where the **names** are as.character(x[,1][x[,1] > 0])], not the positions x[,1][x[,1] > 0])].
Best On Thu, Jan 15, 2009 at 10:59 AM, Guillaume Chapron < carnivorescie...@gmail.com> wrote: > table(x2)[as.character(x[,1][x[,1] > 0])] >> > > Why do I need as.character() here? I checked it does not work without, but > I don't see why. The help says "as.character attempts to coerce its argument > to character type". > > Thanks very much! > > Guillaume > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
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