Interactive analysis of high-dimensional association structures with graphical models |
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Authors: | Angelika Blauth Iris Pigeot François Bry |
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Institution: | (1) Institute of Statistics, University of Munich, Ludwigstr. 33, D-80539 München, Germany (e-mail: pigeot@stat.uni-muenchen.de), DE;(2) Institute of Computer Science, University of Munich, Oettingenstr. 67, D-80538 München, Germany, DE |
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Abstract: | Graphical chain models are a powerful tool for analyzing multivariate data. Their practical use may still be cumbersome in
some respects, since fitting the model requires a lengthy selection strategy based on the calculation of an enormous number
of different regressions. In this paper, we present a computer system especially designed for the calculation of graphical
chain models, which will not only automatically carry out the model search but also visualize the corresponding graph at each
stage of the model fit. In addition, it allows the user to modify the graph and to fit the model interactively. |
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Keywords: | : Chain graph graphical model selection strategy statistical software package |
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