index_whittaker {tabula}

Whittaker Measure

Description

Whittaker Measure

Usage

index_whittaker(x, ...)

## S4 method for signature 'matrix'
index_whittaker(x)

Arguments

x

A m \times p numeric matrix of count data (absolute frequencies, i.e. a contingency table).

...

Currently not used.

Details

This assumes that the order of the matrix rows (from 1 to n) follows the progression along the gradient/transect.

Value

A numeric vector.

Author(s)

N. Frerebeau

References

Whittaker, R. H. (1960). Vegetation of the Siskiyou Mountains, Oregon and California. Ecological Monographs, 30(3), 279-338. doi:10.2307/1943563.

See Also

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