1998
DOI: 10.1080/00031305.1998.10480529
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Logistic Regression, Categorical Predictors, and Goodness-of-Fit: It Depends on Who You Ask

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Cited by 16 publications
(9 citation statements)
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“…It takes the form (SimonoOE 1998) of: G 2 5 2 2 [(maximized log ± likelihood for hypothesized model)2 (maximized log ± likelihood for satur ± ated model)]. With large samples, G 2 follows a chi ± square distribution, with degrees of freedom equaling the diOEerence between the number of parameters in the saturated model and the number in the hypothesized model (Agresti 1996 ;SimonoOE 1998). 8. We thank the editor and the anonymous reviewer s for making this suggestion .…”
Section: Seementioning
confidence: 98%
“…It takes the form (SimonoOE 1998) of: G 2 5 2 2 [(maximized log ± likelihood for hypothesized model)2 (maximized log ± likelihood for satur ± ated model)]. With large samples, G 2 follows a chi ± square distribution, with degrees of freedom equaling the diOEerence between the number of parameters in the saturated model and the number in the hypothesized model (Agresti 1996 ;SimonoOE 1998). 8. We thank the editor and the anonymous reviewer s for making this suggestion .…”
Section: Seementioning
confidence: 98%
“…G 2 is a likelihood-ratio, goodness-of-fit statistic that tests the improvement in fit between two logistic regression models (Simonoff, 1998). The G 2 indicated that the introduction of the freshman seminar format variable did not improve the explanatory power of Set 2 over Set 1 concerning new students' retention rates.…”
Section: Resultsmentioning
confidence: 99%
“…Logistic regressions cannot be computed with empty cells, and the commonly accepted solution is to exclude these categories from the analysis and note any patterns of empty cells when reporting results (Simonoff, 1998).…”
Section: Design and Analysesmentioning
confidence: 99%
“…Because change in risk status was a categorical variable, it was necessary to examine the data set before the second analysis to identify and exclude empty cells (i.e., categories in which no participants received multiple ODRs). Logistic regressions cannot be computed with empty cells, and the commonly accepted solution is to exclude these categories from the analysis and note any patterns of empty cells when reporting results (Simonoff, 1998).…”
Section: Design and Analysesmentioning
confidence: 99%