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Generalized entropy index
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<p>The generalized entropy index has been proposed as a measure of <a href="/facts/Income_inequality/2Kb0kBH5">income inequality</a> in a population. It is derived from <a href="/facts/Information_theory/qNLH3U5P">information theory</a> as a measure of <a href="/facts/Redundancy_(information_theory)/HnbfBLE0">redundancy</a> in data. In <a href="/facts/Information_theory/qNLH3U5P">information theory</a> a measure of <a href="/facts/Redundancy_(information_theory)/HnbfBLE0">redundancy</a> can be interpreted as non-randomness or <a href="/facts/Data_compression/gMFuY4FT">data compression</a>; thus this interpretation also applies to this index. In addition, interpretation of <a href="/facts/Biodiversity/GruakEzs">biodiversity</a> as entropy has also been proposed leading to uses of generalized entropy to quantify biodiversity. </p>