Last data update: 2014.03.03
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R: Equation of the METE species abundance distribution
Equation of the METE species abundance distribution
Description
metePhi returns the species abundance distribution
(Phi(n)) predicted by METE; vectorized in n
Usage
metePhi(n, la1, la2, Z, S0, N0, E0)
Arguments
n |
the value (number of individuals) at which to calculate
Φ
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la1,la2 |
Lagrange multipliers
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Z |
partition function
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S0 |
Total number of species
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N0 |
Total number of individuals
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E0 |
Total metabolic rate
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Details
See Examples
Value
numeric
Author(s)
Andy Rominger <ajrominger@gmail.com>, Cory Merow
References
Harte, J. 2011. Maximum entropy and ecology: a theory of abundance, distribution, and energetics. Oxford University Press.
See Also
sad.mete
Examples
esf1=meteESF(spp=arth$spp,
abund=arth$count,
power=arth$mass^(.75),
minE=min(arth$mass^(.75)))
metePhi(min(arth$mass^(.75)),
esf1$La[1],esf1$La[2],
esf1$Z,esf1$state.var['S0'],
esf1$state.var['N0'],
esf1$state.var['E0'])
Results
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