Temp-function for computing the full AICc with several X's etc
aicc_full_single_cpp(X, mcov, S_scale_dist, h, y)
Scalar with the numeric value of the AICc formula.
matrix.
matrix The covariance matrix of X.
logical. Indicating whether the Mahalanobis distance should be scaled with the number of variables
numeric specifying the scaling (sigma)
Vector Representing the (temporary) response variable
Martin Jullum