shannonbio {pgirmess}R Documentation

Computes Shannon's and equitability indices from a data frame of dietary analysis (n, biomass,...)

Description

Computes Shannon's and equitability indices from a data frame of two columns: column 1, dietary category; column 2, abundance (n, biomass,...)

Usage

shannonbio(data1)

Arguments

data1 a data frame of two columns: column 1, dietary category; column 2, abundance (n, biomass,...)

Details

Computes Shannon's and equitability indices from a data frame of two columns: column 1, dietary category; column 2, abundance (n, biomass,...)

Value

A vector of two values: Shannon's and equitability indices

Author(s)

Patrick Giraudoux <pgiraudo@univ-fcomte.fr>

See Also

shannon, difshannonbiom

Examples


data(preybiom)
shannonbio(preybiom[,5:6])


[Package pgirmess version 1.3.7 Index]