A primal sub-gradient method for structured classification with the averaged sum loss
Dejan Mančev, Branimir Todorović (2014)
International Journal of Applied Mathematics and Computer Science
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Dejan Mančev, Branimir Todorović (2014)
International Journal of Applied Mathematics and Computer Science
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Dejan Mančev, Branimir Todorović (2014)
International Journal of Applied Mathematics and Computer Science
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Antanas Žilinskas (1980)
Aplikace matematiky
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Gandino, E., Marchesiello, S. (2010)
Mathematical Problems in Engineering
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Grigorova, Denitsa, Encheva, Elitsa, Gueorguieva, Ralitza (2013)
Serdica Journal of Computing
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The correlated probit model is frequently used for multiple ordered data since it allows to incorporate seamlessly different correlation structures. The estimation of the probit model parameters based on direct maximization of the limited information maximum likelihood is a numerically intensive procedure. We propose an extension of the EM algorithm for obtaining maximum likelihood estimates for a correlated probit model for multiple ordinal outcomes. The algorithm is implemented in...
Jaroslav Markl (1983)
Kybernetika
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Rafał Zdunek (2014)
International Journal of Applied Mathematics and Computer Science
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Rafał Zdunek (2014)
International Journal of Applied Mathematics and Computer Science
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Fan, Chunshi, You, Zheng (2009)
Mathematical Problems in Engineering
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Udwadia, Firdaus E., Farahani, Artin (2008)
Discrete Dynamics in Nature and Society
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Witold Andrzejewski, Artur Gramacki, Jarosław Gramacki (2013)
International Journal of Applied Mathematics and Computer Science
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The Probability Density Function (PDF) is a key concept in statistics. Constructing the most adequate PDF from the observed data is still an important and interesting scientific problem, especially for large datasets. PDFs are often estimated using nonparametric data-driven methods. One of the most popular nonparametric method is the Kernel Density Estimator (KDE). However, a very serious drawback of using KDEs is the large number of calculations required to compute them, especially...