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OCR: -LogLikelihood measures the variation, sometimes called uncertainty in the nominal by interval sample C Total is the negative loglikelihood (or uncertainty) for the case when the probabilities are estimated by fixed background rates This the background uncertainty when the model has no effect Error the negative loglikelihood (or uncertainty) calculated after fitting the model. The fitting process involves predicting response rates with a linear model and - logistic response function. This value minimized by the fitting process The difference of these two -LogLikelihoods the reduction due to fitting the model. This value is the Likelihood Ratio chi-square test statistic predictino minimizec