CALCULATOR
Three Category Supplied Count Gini Simpson Calculator
Three Category Supplied Count Gini Simpson Calculator — Exactly three categories, at least one observation; Gini-Simpson 1-sum(p²) convention, not finite-sample n(n-1) convention.
Exactly three categories, at least one observation; Gini-Simpson 1-sum(p²) convention, not finite-sample n(n-1) convention. Calculations use finite-precision arithmetic.
Accepted inputs: A value: 0 to 100,000 count; B value: 0 to 100,000 count; C value: 0 to 100,000 count.
How the calculation works
For supplied proportions p, compute 1 - sum(p²).
Worked example
With a value 2 count, b value 3 count, c value 5 count, result is 0.62 number.
Assumptions and limits
Exactly three categories, at least one observation; Gini-Simpson 1-sum(p²) convention, not finite-sample n(n-1) convention. Calculations use finite-precision arithmetic.