sad {meteR}

METE species abundance distribution

Description

sad.mete returns the species abundance distribution predicted by METE (\Phi(n))

Usage

sad(x)

## S3 method for class 'meteESF'
sad(x)

Arguments

x

an object of class mete.

Details

See Examples.

Value

An object of class meteDist. The object contains a list with the following elements.

data

The data used to construct the prediction

d

density funciton

p

cumulative density function

q

quantile funtion

r

random number generator

La

Vector of Lagrange multipliers

state.var

State variables used to constrain entropy maximization

type

Specifies the type of distribution is 'sad'

Author(s)

Andy Rominger <[e-mail]>, Cory Merow

References

Harte, J. 2011. Maximum entropy and ecology: a theory of abundance, distribution, and energetics. Oxford University Press.

See Also

metePhi

Examples

data(arth)
esf1 <- meteESF(spp=arth$spp,
                abund=arth$count,
                power=arth$mass^(.75),
                minE=min(arth$mass^(.75)))
sad1 <- sad(esf1)
sad1
sad1$r(20)
sad1$q(seq(0,1,length=10))