I am working on a binary logistic regression problem with nominal attributes that have multiple levels, for example:
Age:
young(10-18)
adult(19-45)
mid_age(46-65)
senior(65+)
How SAS handle a nominal attribute that has more than 2 levels in Logistic Regression?
Under the hood, it will turn these four different age groups into dummy variables and then fits the model. In your case, where there are four different age groups, it would use three dummy variables.
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