performanta clasificarii [read-only] - …math.ucv.ro/~gorunescu/courses/dm/curs4.pdf · sä...
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PERFORMANŢA CLASIFICĂRIICLASIFICĂRII
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Costul şi acurate ţea clasific ării
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Matrice cost
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Acurateţe
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1. Exemplu
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Senzitivitatea
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Specificitatea
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Curbe de înv ăţare
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Exemplu
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Curbele ROC
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Compara ţia statistic ă a performan ţelor clasific ării
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Algoritm pentru compararea performanţelor (t-test)
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