How is logistic regression odds ratio calculated?
How is logistic regression odds ratio calculated? For example, in logistic regression the odds ratio represents the constant effect of a predictor X, on the likelihood that one outcome will occur. If we try to express the effect of X on the likelihood of a categorical Y having a specific value through probability, the effect is not constant. How do you calculate odds ratio? The odds ratio is calculated by dividing the odds of the first group by the odds in the second group. In the case of the worked example, it is the ratio of the odds of lung...