Published
2008-07-01
ANÁLISIS DE LA EVOLUCIÓN EN EL TIEMPO PARA DATOS CON ESTRUCTURA DE GRUPOS: STATIS DUAL CANÓNICO Y MODELO DE MEDIDAS REPETIDAS DOBLEMENTE MULTIVARIANTES
ANALYSIS OF TIME EVOLUTION FOR GROUP STRUCTURED DATA: CANONICAL DUAL STATIS AND DOUBLY MULTIVARIATE REPEATED MEASURES MODEL
Keywords:
Análisis canónico, medidas repetidas (es)Canonical analysis, Repeated measurements (en)
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En este trabajo proponemos dos soluciones al problema que se plantea cuando se pretende analizar datos multivariantes, para un conjunto de individuos con estructura de grupos, que además han sido replicados bien sea en ocasiones o en situaciones experimentales diferentes. La primera solución se obtiene aplicando la versión dual del STATIS canónico propuesto por Vallejo- Arboleda et al. (2007); la segunda, aplicando el modelo de medidas repetidas doblemente multivariantes. Usamos los datos del proyecto SWALE (Stephen et al. 2004) para una selección de 7 variables físico-químicas medidas para 4 tratamientos, cada uno con 9 réplicas, durante 4 semanas (elegidas entre las 10 iniciales del proyecto) para comparar las dos soluciones.
In this work we propose two solutions to the problem we consider when we have multivariate experimental data of individuals with structure of groups that have been repeated at different occasions or experimental situations. We obtain the first solution applying dual version of canonical STATIS proposed by Vallejo-Arboleda et al. (2007), and the second with doubly multivariate repeated measures model. We use the data of SWALE project (Stephen et al. 2004), with 7 physical-chemical variables, measured in 4 treatments, each one with 9 repetitions and during 4 weeks (selected between 10 original weeks in the project) to compare these solutions.
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How to Cite
Vallejo, A., Vicente, J. L., Galindo, P., Fernández, M., Fernández, C., & Bécares, E. (2008). ANALYSIS OF TIME EVOLUTION FOR GROUP STRUCTURED DATA: CANONICAL DUAL STATIS AND DOUBLY MULTIVARIATE REPEATED MEASURES MODEL. Revista Colombiana De Estadística, 31(2), 321-340. https://revistas.unal.edu.co/index.php/estad/article/view/29748
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Copyright (c) 2008 Revista Colombiana de Estadística

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