MBI: wt – R documentation

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Documentation

MBI

wt

Calculate Williams's turnover index

Description

See Chen (2012) or Baselga (2010) for introduction of the index

Usage

wt(data)

Arguments

data

rows of the data are sites, while columns of the data are species

Author(s)

Youhua Chen <haydi@126.com>

References

Chen Y (2012) MBI: an R package for calculating multiple-site biodiversity indices. Submitted.

Baselga A (2010) Partitioning the turnover and nestedness components of beta diversity. Global Ecology and Biogeography, 19, 134-143.

Examples

test<-c(90,30,11,5,100,46,19,70,19,1,
        17,0,0,0,30,4,20,26,12,5,37,
		0,25,0,60,30,29,42,36,19,32,
		12,0,0,50,6,39,35,18,0,35,0,
		28,0,70,35,56,49,42,0,81,15,
		36,0,90,45,72,63,54,9,13,0,
		0,5,20,1,4,0,0,0,0,0,0,0,10,
		0,0,0,41,4,72,24,7,0,80,1,64,
		56,48,0,36,0,29,0,40,32,32,2,0,0)
test<-matrix(test,10,10)
wt(test)

MBI

(M)ultiple-site (B)iodiversity (I)ndices Calculator

v1.0

GPL-2

Authors

Youhua Chen

Initial release

2012-10-17

wt