{"id":12321,"date":"2018-03-09T08:58:07","date_gmt":"2018-03-09T08:58:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-de-influencia-en-componentes-principales\/"},"modified":"2018-03-09T08:58:07","modified_gmt":"2018-03-09T08:58:07","slug":"analisis-de-influencia-en-componentes-principales","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/analisis-de-influencia-en-componentes-principales\/","title":{"rendered":"Analisis de influencia en componentes principales"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alicia Enguix Gonzalez <\/strong><\/h2>\n<p>El objetivo principal de la memoria es la obtencion de diagnosticos de influencia, basados en el concepto de sesgo condicionado, en una tecnica estadistica clasica: el analisis de componentes principales. Los estadisticos de mayor interes en el analisis de componentes principales son los autovalores y autovectores de la matriz de covarianzas muestrales. Por ello, el analisis de influencia sobre este campo suele centrarse en tales estadisticos, y asi se desarrolla en este trabajo calculando aproximaciones del sesgo condicionado de los mismos. En la memoria se aportan algunos resultados, desde el punto de vista de las funciones de influencia de ciertos aspectos poco cubiertos en la literatura, para posteriormente relacionar dichos resultados con los obtenidos desde la perspectiva del sesgo condicionado.  ademas, se proponen estimaciones del sesgo condicionado de los estadisticos estudiados, se sugieren distintas medidas de influencia, tanto individual como conjunta para los estadisticos de interes, y se muestran algunas aplicaciones para ilustrar el analisis de influencia llevado a cabo con diagnosticos basados en el sesgo condicionado. Con los diagnosticos propuestos se resuelve, entre otros, un problema que afecta considerablemente al estudio de la influencia en las tecnicas propuestas en la literatura hasta la fecha: la alteraciones del orden de las componentes principales bajo la omision.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Analisis de influencia en componentes principales<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Analisis de influencia en componentes principales <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alicia Enguix Gonzalez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Sevilla<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/07\/2001<\/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> Mu\u00f1oz Pichardo Juan  Manuel<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Infante mac\u00edas <\/li>\n<li>vicente Quesada paloma (vocal)<\/li>\n<li>leandro Pardo llorente (vocal)<\/li>\n<li>h\u00e9ctor Ramos romero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alicia Enguix Gonzalez El objetivo principal de la memoria es la obtencion de diagnosticos de influencia, basados [&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 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