{"id":36376,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aplicacion-de-redes-neuronales-artificiales-al-tratamiento-de-datos-incompletos\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"aplicacion-de-redes-neuronales-artificiales-al-tratamiento-de-datos-incompletos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/aplicacion-de-redes-neuronales-artificiales-al-tratamiento-de-datos-incompletos\/","title":{"rendered":"Aplicacion de redes neuronales artificiales al tratamiento de datos incompletos."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Navarro Pastor Jos\u00e9 Blas <\/strong><\/h2>\n<p>El objetivo de la tesis es comparar la eficacia de las redes neuronales artificiales del tipo perceptr\u00f3n multicapa y funci\u00f3n base radial con la de los m\u00e9todos estad\u00edsticos tradicionales, en el an\u00e1lisis de matrices de datos incompletos tanto a nivel univariado como en la generaci\u00f3n de modelos de clasificaci\u00f3n.  para conseguir el objetivo planteado se dise\u00f1a un complejo experimento de simulaci\u00f3n estad\u00edstica en el que se manipulan el tipo de variable que contiene la informaci\u00f3n faltante y el nivel de correlaci\u00f3n entre dicha variable y el resto de variables registradas. Los tipos de variable estudiados son binaria y ordinal con distribuci\u00f3n equiprobable y no equiprobable, y cuantitativa con distribuci\u00f3n normal y asim\u00e9trica. A cada variable se le aplican diversas t\u00e9cnicas de imputaci\u00f3n de los valores desconocidos, entre las que cabe destacar la imputaci\u00f3n de la media o la moda, del valor predicho por un modelo de regresi\u00f3n lineal o log\u00edstica, del valor predicho por una red neuronal artificial perceptr\u00f3n multicapa y por una red de funci\u00f3n base radial. En la estimaci\u00f3n de modelos de clasificaci\u00f3n, aparte de las t\u00e9cnicas comentadas se aplican otros procedimientos como la eliminaci\u00f3n de los registros incompletos y la codificaci\u00f3n de los valores faltantes con la inclusi\u00f3n de variables indicadoras de la presencia\/ausencia de valor.  los resultados permiten obtener un esquema de decisi\u00f3n que gu\u00eda el an\u00e1lisis estad\u00edstico de matrices de datos incompletos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aplicacion de redes neuronales artificiales al tratamiento de datos incompletos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aplicacion de redes neuronales artificiales al tratamiento de datos incompletos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Navarro Pastor Jos\u00e9 Blas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li> Losilla Vidal Jos\u00e9 M.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Josep Mar\u00eda Dom\u00e9nech Massons <\/li>\n<li>Jos\u00e9 Mar\u00eda Salinas Mart\u00ednez De Lecea (vocal)<\/li>\n<li> Pitarque Gracia Luis Alfonso (vocal)<\/li>\n<li>Jaime Sanmart\u00edn Arce (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Navarro Pastor Jos\u00e9 Blas El objetivo de la tesis es comparar la eficacia de las redes neuronales [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[2207,16550,1477,126],"tags":[11573,40398,2688,29296,96349,96350],"class_list":["post-36376","post","type-post","status-publish","format-standard","hentry","category-analisis-de-datos","category-computacion-en-estadistica","category-estadistica","category-matematicas","tag-jaime-sanmartin-arce","tag-jose-maria-salinas-Martinez-de-lecea","tag-josep-maria-domenech-massons","tag-losilla-vidal-jose-m","tag-navarro-pastor-jose-blas","tag-pitarque-gracia-luis-alfonso"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/36376","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=36376"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/36376\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=36376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=36376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=36376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}