skbio.diversity.alpha.
enspie
(counts)[source]¶Calculate ENS_pie alpha diversity measure.
State: Experimental as of 0.4.0.
ENS_pie is equivalent to 1 / dominance
:
where \(s\) is the number of OTUs and \(p_i\) is the proportion of the community represented by OTU \(i\).
Parameters: | counts : 1-D array_like, int
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Returns: | double
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See also
Notes
ENS_pie is defined in [R25].
References
[R25] | (1, 2) Chase and Knight (2013). “Scale-dependent effect sizes of ecological drivers on biodiversity: why standardised sampling is not enough”. Ecology Letters, Volume 16, Issue Supplement s1, pgs 17-26. |