meteR (version 1.2)

spd: Species Power Distribution

Description

spd.meteESF calculates the distribution nu(e | N0, S0, E0), the distribution of average metabolic rates across for each species in a commmunity

Usage

spd(x)
"spd"(x)

Arguments

x

an object of class meteESF.

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'

Details

See examples.

References

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

See Also

meteDist, sad.meteESF, metePsi

Examples

data(arth)
esf1 <- meteESF(spp=arth$spp,
               abund=arth$count,
               power=arth$mass^(.75),
               minE=min(arth$mass^(.75)))
spd1 <- spd(esf1)