Table 2.

Simulation results for estimation of for and

	Method	Percent relative bias of	Root MSE	Coverage probability (%)	Percent converged (%)
0.2	Standard ML	7.51	3.103	95.6	47.9
	Poisson	2.64	3.767	95.8	100.0
	MS ()	0.97	3.097	95.7	100.0
	MS ()	0.50	3.019	96.1	100.0
	MS ()	0.21	2.985	96.0	100.0
0.4	Standard ML	12.02	2.278	94.0	48.2
	Poisson	1.60	2.657	94.5	100.0
	MS ()	0.45	2.183	94.2	100.0
	MS ()	0.97	2.131	94.4	100.0
	MS ()	1.33	2.106	94.3	100.0
0.6	Standard ML	17.53	1.668	93.3	48.0
	Poisson	0.81	1.877	95.0	100.0
	MS ()	1.50	1.553	95.3	100.0
	MS ()	2.10	1.505	95.0	100.0
	MS ()	2.51	1.482	94.9	100.0
0.8	Standard ML	31.42	1.153	90.5	46.7
	Poisson	1.22	1.244	93.6	100.0
	MS ()	2.07	1.109	93.2	100.0
	MS ()	3.02	1.078	93.2	100.0
	MS ()	3.65	1.063	93.2	100.0