The Geometry of Statistical Models for Two-Way Contingency Tables with Fixed Odds Ratios

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We study the geometric structure of the statistical models for two-by-two contingency tables. One or two odds ratios are fixed and the corresponding models are shown to be a portion of a ruled quadratic surface or a segment. Some pointers to the general case of two-way contingency tables are also given and an application to case-control studies is presented.
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Statistics Theory, Algebraic Geometry, 14Q99;62H17

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http://salesiana.dossiersoluciones.com/handle/123456789/130833

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0507529
 http://arxiv.org/abs/math/0507529

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arXiv