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		<identifier>oai:zbc.uz.zgora.pl:86298</identifier>
	    <datestamp>2025-07-21T10:59:52Z</datestamp>
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<dc:title xml:lang="pl"><![CDATA[Fitting a Gaussian mixture model through the Gini index]]></dc:title>
<dc:creator><![CDATA[López-Lobato, Adriana Laura]]></dc:creator>
<dc:creator><![CDATA[Avendano-Garrido, Martha L.]]></dc:creator>
<dc:subject xml:lang="pl"><![CDATA[Gini index problem]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[Gaussian mixture model]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[clustering]]></dc:subject>
<dc:description xml:lang="pl"><![CDATA[A linear combination of Gaussian components is known as a Gaussian mixture model. It is widely used in data mining and pattern recognition. In this paper, we propose a method to estimate the parameters of the density function given by a Gaussian mixture model. Our proposal is based on the Gini index, a methodology to measure the inequality degree between two probability distributions, and consists in minimizing the Gini index between an empirical distribution for the data and a Gaussian mixture model. We will show several simulated examples and real data examples, observing some of the properties of the proposed method.]]></dc:description>
<dc:publisher><![CDATA[Zielona Góra: Uniwersytet Zielonogórski]]></dc:publisher>
<dc:contributor><![CDATA[Korbicz, Józef (1951- ) - red.]]></dc:contributor>
<dc:contributor><![CDATA[Uciński, Dariusz - red.]]></dc:contributor>
<dc:date><![CDATA[2021]]></dc:date>
<dc:type xml:lang="pl"><![CDATA[artykuł]]></dc:type>
<dc:identifier><![CDATA[http://www.zbc.uz.zgora.pl/repozytorium/Content/86298/AMCS_2021_31_3_9.pdf]]></dc:identifier>
<dc:identifier><![CDATA[https://zbc.uz.zgora.pl/repozytorium/dlibra/publication/101383/edition/86298/content]]></dc:identifier>
<dc:identifier><![CDATA[oai:zbc.uz.zgora.pl:86298]]></dc:identifier>
<dc:source xml:lang="pl"><![CDATA[AMCS, volume 31, number 3 (2021)]]></dc:source>
<dc:source xml:lang="pl"><![CDATA[https://www.amcs.uz.zgora.pl/?action=papers&issue=121]]></dc:source>
<dc:language><![CDATA[eng]]></dc:language>
<dc:relation><![CDATA[oai:zbc.uz.zgora.pl:publication:101383]]></dc:relation>
<dc:rights xml:lang="pl"><![CDATA[Biblioteka Uniwersytetu Zielonogórskiego]]></dc:rights>
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