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Jonathon Shlens. A Tutorial on Principal Component Analysis
Практические рекомендации по использованию Метода Главных Компонент (Principal Component Analysis): Выделение важной информации из множества данных, описывающих объекты. Один из основных способов уменьшить размерность данных, потеряв наименьшее количество информации. Применяется во многих областях, таких как распознавание образов, компьютерное зрение, сжатие данных и т. п. (на англ. яз. , 2009)
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