Extract AIC from a joint model fit.
# S3 method for joint
extractAIC(fit, scale, k = 2, conditional = FALSE, ...)A numeric vector of length 2, with first and second element giving
dfThe degrees of freedom for the fitted model.
AICThe Akaike Information Criterion for the fitted model.
A fitted joint object,
See extractAIC; not used.
Numeric specifying the "weight" of degrees of freedom (default k=2).
Should AIC of conditional or observed log-likelihood be used? Defaults
to conditional = FALSE.
additional arguments (none used).