pianka: Calculate Pianka's similarity measure on sources

Description Usage Arguments Details Value Author(s)

View source: R/pianka.R

Description

Calculate Pianka's similarity measure on sources

Usage

1
pianka(nsources, s_means, s_sds)

Arguments

nsources

integer giving number of sources

s_means

matrix giving tracer means (columns) for each source

s_sds

matrix giving tracer SD (columns) for each source

Details

Calculates Pianka's measure assuming isotope values of sources are multivariate normal. Note that equation as given in Lu et al. 1989 returns a square matrix, so I am taking value (1,1).

Value

matrix giving Pianka's similarity measure.

Author(s)

Christopher J. Brown


cbrown5/remixsiar documentation built on April 26, 2020, 12:40 a.m.