Diversity Index Functions

To be used by diversity.calc.

Usage

berger_parker(x)

berger_parker_reciprocal(x)

simpson(x)

gini_simpson(x)

simpson_max(x)

simpson_reciprocal(x)

simpson_relative(x)

simpson_evenness(x)

shannon(x, base = 2)

shannon_max(x, base = 2)

shannon_relative(x, base = 2)

shannon_ens(x, base = 2)

mcintosh_diversity(x)

mcintosh_evenness(x)

smith_wilson(x)

heip_evenness(x)

margalef_index(x)

menhinick_index(x)

brillouin_index(x)

hill_number(x, q = 1)

renyi_entropy(x, q = 1)

tsallis_entropy(x, q = 1)

hill_evenness(x, q = 1)

Arguments

x

A factor vector of categories (e.g., species, traits). The frequency of each level is treated as the abundance of that category.

base

The logarithm base to be used for computation of shannon family of diversity indices. Default is exp(1).

Value

The calculated diversity index value.