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 Feb 2017

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This is sometimes called a likelihood ratio test (the deviance residual is 2*log likelihood)
see logLik() in R, and note that all return the same value, which is chisquare distributed, and can be ways to select the appropriate model. Ways to compare models and variable selection:
 (logLik(fit.1)  logLik(fit.2)) * 2
 anova(fit.1, fit.2)
 fit.1$deviance  fit.2$deviance
