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
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 +
== 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


D = \frac{S - 1}{\ln N}

Implementations

Open Source implementations of the Margalev index are available in

See Also

References