Table 7. Minimum AIC and BIC values, as well as the corresponding optimal number of clusters, over varying number of clusters for the ARMA(1,0), ARMA(1,1), and ARMA(2,0) covariance structures.

Covariance Structure	AIC	BIC	# of clusters
ARMA(1,0)	−72200.16	−71798.74	11
ARMA(1,1)	−72379.89	−71972.49	11
ARMA(2,0)	−74119.34	−73783.83	9