skbio.diversity.alpha.menhinick

skbio.diversity.alpha.menhinick(counts)[source]

Calculate Menhinick’s richness index.

State: Experimental as of 0.4.0.

Menhinick’s richness index is defined as:

\[D_{Mn} = \frac{S}{\sqrt{N}}\]

where \(S\) is the number of OTUs and \(N\) is the total number of individuals in the sample.

Assumes square-root accumulation.

Parameters:

counts : 1-D array_like, int

Vector of counts.

Returns:

double

Menhinick’s richness index.

Notes

Based on the description in [R40].

References

[R40](1, 2) Magurran, A E 2004. Measuring biological diversity. Blackwell. pp. 76-77.