Table 2.

Simulation I Results: Adjusted Rand Index (ARI), proportion of local optima ( $p_{lo}$), and Mean Squared Parameter Error (MSPE) for univariate data (K = 2, V = 1) with overlap defined by Cohen’s distance separation between two clusters

Factor	Value	$p_{lo}$	ARI	MSPE
SS	200	0.92	0.17	0.31
	500	0.92	0.18	0.23
	1000	0.91	0.20	0.17
MMP	0.1	0.87	0.17	0.33
	0.2	0.93	0.18	0.23
	0.3	0.95	0.20	0.15
CD	0.2	0.97	0.00	0.18
	0.5	0.96	0.01	0.17
	0.8	0.95	0.04	0.19
	1.5	0.96	0.17	0.32
	3	0.74	0.70	0.32
CT	1E-15	0.77	0.18	0.24
	1E-08	0.99	0.19	0.23
	1E-06	0.99	0.19	0.24
Overall		0.92	0.18	0.23
Overall Minimum		−0.10	0.01	0.00
Overall Maximum		0.97	1.00	15.39

Note: ARI - Adjusted Rand Index, $p_{lo}$- proportion of locally optimal solutions, MSPE - Mean squared parameter error. MMP - minimum mixing proportion, SS - Sample size, CD - Cohen’s D distance measure, CT - Convergence tolerance of the EM algorithm.