{"id":30679,"date":"2004-11-06T00:00:00","date_gmt":"2004-11-06T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/contribuciones-al-analisis-de-matrices-multivia-tipologia-de-las-variables\/"},"modified":"2004-11-06T00:00:00","modified_gmt":"2004-11-06T00:00:00","slug":"contribuciones-al-analisis-de-matrices-multivia-tipologia-de-las-variables","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/salamanca\/contribuciones-al-analisis-de-matrices-multivia-tipologia-de-las-variables\/","title":{"rendered":"Contribuciones al analisis de matrices multivia: tipolog\u00eda de las variables."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Belkis Baccala Nora <\/strong><\/h2>\n<p>El objetivo del presente trabajo es el tratamiento de datos de matrices multiv\u00eda, y si bien el \u00e9nfasis puede ser hecho en la b\u00fasqueda de la tipolog\u00eda de los individuos o en la b\u00fasqueda de la tipolog\u00eda de las variables nuestro objetivo se centrar\u00e1 en la descripci\u00f3n de las estructuras de covariaci\u00f3n entre las variables.  se presentan tres coeficientes, que dan una medida del grado de similitud entre dos matrices de datos, relacionadas al mismo conjunto de individuos, sobre los que se observan dos grupos de variables: coeficiente de correlaci\u00f3n can\u00f3nica (hottelling, 1936), coeficiente rls (lingoes y sch\u00ed\u00b6neman, 1974) y coeficiente rv (escoufier, 1973, 1976).  se describen tres m\u00e9todos: statis, statis dual (l\u00c2\u00bfhermier des plantes, 1976) y el an\u00e1lisis factorial m\u00faltiple (escofier y pag\u00e9s, 1984), que utilizan la descomposici\u00f3n en valores singulares de dos v\u00edas.  los m\u00e9todos derivados del modelo de tucker: el modelo de escalamiento de tres modos (kroonenberg, 1983) y tuckals 2 (kroonenberg y de leeuw,1980), se presentan adaptados para analizar los datos de matrices multiv\u00eda..  considerando los objetivos y limitaciones de los m\u00e9todos anteriores, proponemos una alternativa: los biplot m\u00faltiples, basados en los m\u00e9todos biplots (gabriel, 1971). Los biplot m\u00faltiples pueden ser utilizada en las dos situaciones que se presentan cuando trabajamos con este tipo de datos.  proponemos diferentes factorizaciones biplot m\u00faltiple de acuerdo al objetivo, esto es:  &#8211; aproximar los datos originales: el jk-biplot (gabriel, 1971)  &#8211; obtener una \u00f3ptima calidad de representaci\u00f3n conjunta tanto de los individuos como de las variables, en las diferentes tablas: el hj-biplot (galindo, 1985).  dado que nuestra propuesta aborda conjuntamente distintas situaciones que los dem\u00e1s m\u00e9todos plantean por separado, consideramos que es una propuesta alternativa, en relaci\u00f3n a la forma cl\u00e1sica de abordar los datos de conjuntos m\u00faltiples.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Contribuciones al analisis de matrices multivia: tipolog\u00eda de las variables.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Contribuciones al analisis de matrices multivia: tipolog\u00eda de las variables. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Belkis Baccala Nora <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/06\/2004<\/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>Purificacion Galindo Villardon<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Cardenas cardenas olesia coromoto <\/li>\n<li> Perez fernandez Mar\u00eda  angeles (vocal)<\/li>\n<li>Mar\u00eda  angeles Muruaga lopez de guere\u00f1u (vocal)<\/li>\n<li>inmaculada Parrera mellado (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Belkis Baccala Nora El objetivo del presente trabajo es el tratamiento de datos de matrices multiv\u00eda, y 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