skbio.diversity.alpha.dominance¶

skbio.diversity.alpha.
dominance
(counts)[source]¶ 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 (1D array_like, int) – Vector of counts.
 Returns
Dominance.
 Return type
double
See also
Notes
The implementation here is based on the description given in 1.
References