<Bill.Venables <at> csiro.au> writes: > > That is interesting. The first of these, namely > > sum(|x_i - y_i|) / sum(x_i + y_i) > > is now better known in ecology as the Bray-Curtis distance. Even more interesting is the typo in Henry & > Stevens "A Primer of Ecology in R" where the Bray Curtis distance formula is actually the Canberra > distance (Eq. 10.2 p. 289). There seems to be a certain slipperiness of definition in this field.
Actually, the author is M. H. Henry (Hank) Stevens, not "Henry & Stevens" ... Ben Bolker ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
