Difference between revisions of "Margalef Index"
From Open Risk Manual
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* the Python library [https://github.com/open-risk/concentrationMetrics Concentration Library] | * the Python library [https://github.com/open-risk/concentrationMetrics Concentration Library] | ||
* the EcoIndR R package | * the EcoIndR R package | ||
+ | |||
+ | == See Also == | ||
+ | * [[Menhinick Index]] | ||
==References== | ==References== |
Latest revision as of 23:44, 14 June 2021
Definition
The Margalev Index (D) is a simple metric useful for the purpose of measuring diversity.
Details
The index is only applicable for categorical data where all observations can be classified into a finite number of categories (species, types etc)
More precisely, if we have n observations values and a total of S categories, then the D index is defined as
Implementations
Open Source implementations of the Margalev index are available in
- the Python library Concentration Library
- the EcoIndR R package