L1-Quantization and clustering in Banach spaces |
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Authors: | T. Laloë |
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Affiliation: | 1.Univ. de Lyon, Univ. de Lyon 1, ISFA, Laboratoire SAF,Lyon,France |
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Abstract: | LetX be a random variable with distribution μ taking values in a Banach spaceH. First, we establish the existence of an optimal quantization of μ with respect to the L 1-distance. Second, we propose several estimators of the optimal quantizer in the potentially infinite-dimensional space H, with associated algorithms. Finally, we discuss practical results obtained from real-life data sets. |
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