index_wilson {tabula}

Wilson Measure

Description

Wilson Measure

Usage

index_wilson(x, ...)

## S4 method for signature 'matrix'
index_wilson(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

Wilson, M. V., & Shmida, A. (1984). Measuring Beta Diversity with Presence-Absence Data. The Journal of Ecology, 72(3), 1055-1064. doi:10.2307/2259551.

See Also

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