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

Table 2

Simulation for longitudinal data with independent correlation matrix.

		Criterion	Selection frequencies of “working” correlation structure
			IND	EXCH	AR-1	IND	EXCH	AR-1
			Normal			Binary
4	50	QIC	198	393	409	202	374	424
		RJ	327	423	250	312	421	267
		RJ1	388	322	290	399	316	285
		RJ2	384	327	289	388	320	292
		SC	488	1	512	351	310	339
		GP	547	0	453	368	306	326
	100	QIC	209	377	414	185	407	408
		RJ	338	415	247	340	410	250
		RJ1	389	349	262	381	358	261
		RJ2	389	353	258	372	357	271
		SC	482	1	517	352	346	302
		GP	520	0	480	360	348	292
8	50	QIC	200	411	389	203	363	434
		RJ	282	497	221	292	476	232
		RJ1	402	354	244	386	340	274
		RJ2	402	357	241	373	347	280
		SC	465	1	535	351	325	324
		GP	558	0	442	382	311	307
	100	QIC	188	393	419	201	398	401
		RJ	321	442	237	287	466	247
		RJ1	347	385	268	385	367	248
		RJ2	347	382	271	377	369	254
		SC	492	0	508	355	343	302
		GP	541	0	459	370	341	289