mjaccard: Calculate the average of Jaccard pairwise-site dissimilarity...

In MBI: (M)ultiple-site (B)iodiversity (I)ndices Calculator

Description

Calculate the average of Jaccard pairwise-site dissimilarity index across all pairs of sites

Usage

mjaccard(data)

Arguments

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

Author(s)

Youhua Chen <[e-mail]>

References

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

See Also

batch.calculation

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)
mjaccard(test)

Example output

[1] 0.4457672

MBI documentation built on May 2, 2019, 4:19 a.m.