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Goodness-of-Fit Statistics for Discrete Multivariate Data (Hardcover, 1988 ed.)
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Goodness-of-Fit Statistics for Discrete Multivariate Data (Hardcover, 1988 ed.)
Series: Springer Series in Statistics
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The statistical analysis of discrete multivariate data has received
a great deal of attention in the statistics literature over the
past two decades. The develop ment ofappropriate models is the
common theme of books such as Cox (1970), Haberman (1974, 1978,
1979), Bishop et al. (1975), Gokhale and Kullback (1978), Upton
(1978), Fienberg (1980), Plackett (1981), Agresti (1984), Goodman
(1984), and Freeman (1987). The objective of our book differs from
those listed above. Rather than concentrating on model building,
our intention is to describe and assess the goodness-of-fit
statistics used in the model verification part of the inference
process. Those books that emphasize model development tend to
assume that the model can be tested with one of the traditional
goodness-of-fit tests 2 2 (e.g., Pearson's X or the loglikelihood
ratio G ) using a chi-squared critical value. However, it is well
known that this can give a poor approximation in many
circumstances. This book provides the reader with a unified
analysis of the traditional goodness-of-fit tests, describing their
behavior and relative merits as well as introducing some new test
statistics. The power-divergence family of statistics (Cressie and
Read, 1984) is used to link the traditional test statistics through
a single real-valued parameter, and provides a way to consolidate
and extend the current fragmented literature. As a by-product of
our analysis, a new 2 2 statistic emerges "between" Pearson's X and
the loglikelihood ratio G that has some valuable properties."
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