Returns the akaike information criterion of a fitted object of class
serp. For the penalized slope, the effective degrees of freedom (edf)
is obtained from the trace of the generalized hat matrix which depends on
the tuning parameter.
## S3 method for class 'serp' AIC(object, ..., k = 2)
An object of class
fixed value equal to 2.
A single numeric value of the model AIC.
library(serp) m <- serp(rating ~ temp + contact, slope = "parallel", link = "probit", data = wine) AIC(m)
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