skbio.math.diversity.alpha.enspie

skbio.math.diversity.alpha.enspie(counts)[source]

Calculate ENS_pie alpha diversity measure.

ENS_pie is equivalent to 1 / dominance.

Parameters:

counts : 1-D array_like, int

Vector of counts.

Returns:

double

ENS_pie alpha diversity measure.

See also

dominance

Notes

ENS_pie is defined in [R36].

References

[R36](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.