{"id":173,"date":"2021-09-02T13:23:34","date_gmt":"2021-09-02T17:23:34","guid":{"rendered":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/?p=173"},"modified":"2021-09-02T13:34:20","modified_gmt":"2021-09-02T17:34:20","slug":"regularized-version-of-the-minimax-probability-machine","status":"publish","type":"post","link":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/2021\/09\/regularized-version-of-the-minimax-probability-machine\/","title":{"rendered":"Regularized version of the minimax probability machine"},"content":{"rendered":"<h3>Speaker: Professor Julio L\u00f3pez<\/h3>\n<h3>Instituto de Ciencias B\u00e1sicas, Universidad Diego Portales, Santiago, Chile<\/h3>\n<h3>Date:\u00a0 September 08,\u00a0 2021 at 09:30 am (Chilean-time)<\/h3>\n<p><strong>Title<\/strong>:\u00a0\u00a0 Regularized\u00a0 version of the minimax\u00a0 probability machine<\/p>\n<p><b>Abstract:<\/b> In this talk we present novel second-order cone programming formulations for binary classification, by extending the Minimax Probability Machine (MPM) approach. Inspired by Support Vector Machines, a regularization term is included in the MPM and Minimum Error Minimax Probability Machine methods. This inclusion reduces the risk of obtaining ill-posed estimators, stabilizing the problem, and, therefore, improving the generalization performance. Our approaches are first derived as linear methods, and subsequently extended as kernel-based strategies for nonlinear classification. Experiments on well-known binary classification datasets demonstrate the virtues of the regularized formulations in terms of predictive performance.<\/p>\n<p>A recorded video of the conference is &#8230;. ;\u00a0 the slides can be downloaded\u00a0 &#8230;<\/p>\n<p><strong>Venue<\/strong>: Online via Google Meet: https:\/\/<span id=\"tabEventDetails\" class=\"HALYaf XQINac R21Rlc KKjvXb\" role=\"tabpanel\">meet.google.com\/gjq-cwic-udo<\/span><span id=\"tabEvent\" class=\"HALYaf Dna1ee JGCEqd KKjvXb\" role=\"tabpanel\" data-tab-type=\"1\"><\/span><span id=\"tabEvent\" class=\"HALYaf Dna1ee JGCEqd KKjvXb\" role=\"tabpanel\" data-tab-type=\"1\"><\/span><\/p>\n<p lang=\"en-US\" align=\"justify\"><strong><span class=\"tlid-translation translation\" lang=\"en\"><span class=\"\" title=\"\">A brief biography of the speaker<\/span><\/span><\/strong>: Julio L\u00f3pez is an Associate Professor <span style=\"font-family: AdvTT5235d5a9, serif;\"><span lang=\"en-US\">at the Institute of Basic Sciences, University Diego Portales, Santiago, Chile. He obtained his PhD degree at the University of Chile, in 2009. <\/span><\/span><span style=\"font-family: AdvTT5235d5a9, serif;\"><span lang=\"en-US\">His research interests include conic programming, convex analysis, algorithms, and machine learning.<\/span><\/span><\/p>\n<p><strong>Coordinators<\/strong>: Fabi\u00e1n Flores-Baz\u00e1n (CMM, Universidad de Concepci\u00f3n) and Abderrahim Hantoute (Alicante)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Speaker: Professor Julio L\u00f3pez Instituto de Ciencias B\u00e1sicas, Universidad Diego Portales, Santiago, Chile Date:\u00a0 September 08,\u00a0 2021 at 09:30 am (Chilean-time) Title:\u00a0\u00a0 Regularized\u00a0 version of the minimax\u00a0 probability machine Abstract: In this talk we present novel second-order cone programming formulations for binary classification, by extending the Minimax Probability Machine (MPM) approach. Inspired by Support Vector &hellip; <a href=\"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/2021\/09\/regularized-version-of-the-minimax-probability-machine\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Regularized version of the minimax probability machine<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":77,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-173","post","type-post","status-publish","format-standard","hentry","category-seminar"],"_links":{"self":[{"href":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/wp-json\/wp\/v2\/posts\/173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/wp-json\/wp\/v2\/users\/77"}],"replies":[{"embeddable":true,"href":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/wp-json\/wp\/v2\/comments?post=173"}],"version-history":[{"count":8,"href":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/wp-json\/wp\/v2\/posts\/173\/revisions"}],"predecessor-version":[{"id":181,"href":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/wp-json\/wp\/v2\/posts\/173\/revisions\/181"}],"wp:attachment":[{"href":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/wp-json\/wp\/v2\/media?parent=173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/wp-json\/wp\/v2\/categories?post=173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eventos.cmm.uchile.cl\/optimseminar\/wp-json\/wp\/v2\/tags?post=173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}