Sorenson Quantitative Index

Bray and Curtis modified version of the Sorenson index.

Usage

index_bray(x, y, ...)

# S4 method for class 'numeric,numeric'
index_bray(x, y)

Arguments

x, y

A numeric vector.

...

Currently not used.

Value

A numeric vector.

References

Bray, J. R. & Curtis, J. T. (1957). An Ordination of the Upland Forest Communities of Southern Wisconsin. Ecological Monographs, 27(4), 325-349. doi:10.2307/1942268 .

See also

Other beta diversity measures: index_binomial(), index_brainerd(), index_cody(), index_jaccard(), index_morisita(), index_routledge, index_sorenson(), index_whittaker(), index_wilson()

Author

N. Frerebeau