If you need a quick calculation of diversity indices from your sample data, you might use my online diversity calculator here. Select the number of categories/classes (2 to 20) and input your samples data (positive integer or decimal numbers). As a result the following parameters and diversity indices will be calculated:
- Richness
- Berger-Parker Index
- Shannon Entropy (nat)
- Shannon number equivalent (true diversity of order 1)
- Shannon Equitability
- Simpson Dominance
- Simpson Dominance (finite sample size)
- True diversity of order 2
- Gini-Simpson Index
- Gini-Simpson Equitability
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