expected.abundance

0th

Percentile

Expected abundances under the neutral model

Returns a vector of expected abundances of the i-th ranked species under the neutral model

Keywords
math
Usage
expected.abundance(J, theta)
Arguments
J
Size of the ecosystem
theta
Biodiversity parameter
Value

  • Returns an object of class count. Species names (capital letters) are assigned by function count().

Note

Function is very slow even for moderate J.

References

S. P. Hubbell 2001. The Unified Neutral Theory of Biodiversity. Princeton University Press.

See Also

rand.neutral,count

Aliases
  • expected.abundance
Examples
expected.abundance(J=10,theta=3)

sum(expected.abundance(J=10,theta=3))  #should be 10
Documentation reproduced from package untb, version 1.3-3, License: GPL

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