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
Menhinick’s richness index.
- Return type
double
Notes
Based on the description in 1.
References
- 1
Magurran, A E 2004. Measuring biological diversity. Blackwell. pp. 76-77.