Logistic regression uses the log-likelihood statistic to evaluate the fit of a model, based on the predicted and observed values, and is closely related to the deviance, but how is deviance expressed?
A. Deviance = –2 × log-likelihood
B. Deviance = –2 / log-likelihood
C. Deviance = log-likelihood / (–2)
D. Deviance = log-likelihood / ((–2) × (–2))
Answer: A
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