Outliers and patterns of outliers in contingency tables with algebraic statistics

Fabio Rapallo

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Abstract

In this paper, we provide a definition of pattern of outliers in contingency tables within a model-based framework. In particular, we make use of log-linear models and exact goodness-of-fit tests to specify the notions of outlier and pattern of outliers. The language and some techniques from Algebraic Statistics are essential tools to make the definition clear and easily applicable. We also analyse several numerical examples to show how to use our definitions.

Lingua originaleInglese
pagine (da-a)784-797
Numero di pagine14
RivistaScandinavian Journal of Statistics
Volume39
Numero di pubblicazione4
DOI
Stato di pubblicazionePubblicato - dic 2012
Pubblicato esternamente

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