Bray and Curtis modified version of the Sorenson index.
index_bray(x, y, ...)# S4 method for numeric,numeric
index_bray(x, y)
A numeric vector.
A numeric vector.
Currently not used.
N. Frerebeau
Bray, J. R. & Curtis, J. T. (1957). An Ordination of the Upland Forest Communities of Southern Wisconsin. Ecological Monographs, 27(4), 325-349. tools:::Rd_expr_doi("10.2307/1942268").
Other beta diversity measures:
index_binomial(),
index_brainerd(),
index_cody(),
index_jaccard(),
index_morisita(),
index_routledge,
index_sorenson(),
index_whittaker(),
index_wilson()