berger_parker_d {abdiv} | R Documentation |
Berger-Parker dominance
Description
The Berger-Parker dominance is the proportion of the most abundant species.
Usage
berger_parker_d(x)
Arguments
x |
A numeric vector of species counts or proportions. |
Details
Equivalent to
berger_parker_d()
inskbio.diversity.alpha
.Equivalent to the
bergerparker
calculator in Mothur.
Value
The Berger-Parker dominance, 0 < D_{BP} \leq 1
. If the vector
sums to zero, the Berger-Parker dominance is undefined, and we return
NaN
.
References
Berger WH, Parker FL. Diversity of Planktonic Foraminifera in Deep-Sea Sediments. Science. 1970;168(3937):1345-1347.
Examples
x <- c(15, 6, 4, 0, 3, 0)
berger_parker_d(x) # 15 / 28
[Package abdiv version 0.2.0 Index]