Generalized Estimating Equations in Longitudinal Data Analysis: A Review and Recent Developments

Table 3

Simulation for longitudinal data with exchangeable correlation matrix with .

		Criterion	Selection frequencies of “working” correlation structure
			IND	EXCH	AR-1	IND	EXCH	AR-1
			Normal			Binary
4	50	QIC	106	699	195	53	758	189
		RJ	419	139	442	869	5	126
		RJ1	0	963	37	12	898	90
		RJ2	0	959	41	22	876	102
		SC	0	593	407	282	650	68
		GP	1	593	406	412	524	64
	100	QIC	31	879	90	7	867	126
		RJ	350	88	562	911	2	87
		RJ1	0	995	5	2	946	52
		RJ2	0	996	4	10	933	57
		SC	0	598	402	339	635	26
		GP	0	501	499	445	531	24
8	50	QIC	80	828	92	50	876	74
		RJ	10	395	595	813	6	181
		RJ1	0	1000	0	0	987	13
		RJ2	0	1000	0	0	966	25
		SC	0	488	513	302	696	2
		GP	0	511	489	497	500	3
	100	QIC	17	953	30	8	973	19
		RJ	0	408	592	861	0	139
		RJ1	0	1000	0	0	997	3
		RJ2	0	1000	0	0	993	7
		SC	0	470	530	328	672	0
		GP	0	526	474	486	514	0