Gini–Simpson Diversity

symbols, variables and units

p_i: relative abundance; D: dimensionless.

applicable conditions and boundaries

This is the 1−Σp² convention; the literature also uses Σp² or its reciprocal.

formula source code

The following is a copyable LaTeX expression.

D=1-\sum_i p_i^2

Reference and Extended Learning

is organized according to model definition and assumptions. Please check actual conditions and original literature before engineering, research and clinical use.