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Wilson Measure

Source: R/AllGenerics.R, R/diversity_beta.R
index_wilson.Rd

Wilson Measure

Usage

index_wilson(x, ...)

# S4 method for class '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.

Value

A numeric vector.

Details

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

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()

Author

N. Frerebeau