Difference between revisions of "Hall-Tideman Index"
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== See Also == | == See Also == | ||
* The [[Gini Index]] is a related measure | * The [[Gini Index]] is a related measure | ||
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+ | == Implementations == | ||
+ | Open Source implementations of the HTI index are available in | ||
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+ | * the Python library [https://github.com/open-risk/concentrationMetrics Concentration Library] | ||
Latest revision as of 13:28, 14 June 2021
Definition
The Hall-Tideman index is a metric useful for the purpose of measuring Concentration Risk diversity or inequality metrics. An alternative name is Rosenbluth Index.
Details
More precisely, if we have n values summing up to a total of
and each value fraction is defined as
Then the HTI index is defined as
See Also
- The Gini Index is a related measure
Implementations
Open Source implementations of the HTI index are available in
- the Python library Concentration Library