In the (mathrm{EM}) algorithm for mixture models, if for all univariate Gaussian distributions (Theta_{j}(1 leq j leq)

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In the \(\mathrm{EM}\) algorithm for mixture models, if for all univariate Gaussian distributions \(\Theta_{j}(1 \leq j \leq\) \(k), \sigma_{j}=\sigma\), that is, all have the standard deviation. Can you simplify the calculation in the E-step and the M-step accordingly?

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Data Mining Concepts And Techniques

ISBN: 9780128117613

4th Edition

Authors: Jiawei Han, Jian Pei, Hanghang Tong

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