Simpson diversity · 1−Σp²
Simpson diversity · 1−Σp²: use species counts. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
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Formula & explanation
D = 1−Σ(count/total)²
Variables & units
- Species counts
- comma separated
Worked example
Use the example inputs to explore this model; the solution shows each supplied quantity.
Assumptions
Uses1−Σp², not the reciprocal or finite-sample unbiased variant.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
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