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Bray and Curtis modified version of the Sorenson index.

Usage

index_bray(x, y, ...)

# S4 method for 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 .

Author

N. Frerebeau