Covariance structure		Transforms^a			10-fold LCV score	Percent decrease	Clock time (minutes)
Covariance structure		Probabilities	Variances	Random coefficients	10-fold LCV score	Percent decrease	Clock time (minutes)
Directly specified correlation
	UN	visit^−0.1	1, visit^1.1	--	0.42691	0.59%	35.7
Random coefficients		visit^−0.1	1	1, visit^0.6	0.42946	0.00%	74.6