Fork me on GitHub"

# skbio.diversity.alpha.dominance

`skbio.diversity.alpha.``dominance`(counts)

  Calculate dominance.

  State: Experimental as of 0.4.0.

  Dominance is defined as

  \[\sum{p_i^2}\]

  where \(p_i\) is the proportion of the entire community that OTU \(i\) represents.

  Dominance can also be defined as 1 - Simpson’s index. It ranges between 0 and 1.

  Parameters: | counts (1-D array_like, int) – Vector of counts.
  Returns: | Dominance.
  Return type: | double

  See also

  `simpson()`

  Notes

  The implementation here is based on the description given in [1].

  References

  [1] | http://folk.uio.no/ohammer/past/diversity.html