Publication: Problemas fundamentales del análisis logarítmico lineal (y Il): casillas vacías
y casillas extremas
Authors
Correa Piñero, Ana Delia
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Publisher
Universidad de Murcia
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DOI
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info:eu-repo/semantics/article
Description
Abstract
En este trabajo abordamos dos problemas que pueden presentarse en el análisis de
tablas de contingencia multidimensionales: el tema de las casillas vacías --en su
doble faceta de ceros muestrales y ceros estructurales- y el de las casillas y categorías
extremas. Para ambos casos, se analizan sus repercusiones en el proceso y
resultados del ajuste de un modelo logarítmico lineal y se ofrecen diversas soluciones,
analizando sus ventajas e inconvenientes.
Two problems that can appear in multi-way contingency tables analysis are treated in this paper. First one, empty cells in its double facet: random zeros and structural zeros. Second one, extreme (outliers) cells and strata. Both cases their effects into processe and outcomes of fitting a log-linear model are analized. Likewise different solutions are offered, analizing their advantages and disadvantages.
Two problems that can appear in multi-way contingency tables analysis are treated in this paper. First one, empty cells in its double facet: random zeros and structural zeros. Second one, extreme (outliers) cells and strata. Both cases their effects into processe and outcomes of fitting a log-linear model are analized. Likewise different solutions are offered, analizing their advantages and disadvantages.
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