# Equation of the PMF of the METE spatial species abundance distribution

### Description

`metePi`

is a low level function that returns the spatial species abundance
distribution *Pi(n)* predicted by METE; vectorized in n

### Usage

1 | ```
metePi(n, la, n0)
``` |

### Arguments

`n` |
A vector giving abundances of each entry |

`la` |
The spatial Lagrange multiplier returned by |

`n0` |
Total abundance in area A0 |

### Details

See Examples

### Value

a numeric vector giving the probability of each entry in `n`

### 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

metePi

### Examples

1 | ```
metePi(0:10, 0.01, 100)
``` |

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