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. Author manuscript; available in PMC: 2014 Jan 9.
Published in final edited form as: Stat Med. 2011 Jul 29;31(22):10.1002/sim.4304. doi: 10.1002/sim.4304

Table 3.

The Monte Carlo Type I Errors and Powers of the EL ratio test statistics (3) and (7) for testing H0: μx = 0 Based on Data Following the Hybrid Design (Xi ~ N(μx, 1), εi~N(0,σm2). The pooling proportion α = 0.5; the expected significance level was 0.05).

Sample Size (N) Pooling Group Size (p) Parameters σm2 ELR Test Statistic (3) ELR Test Statistic (7)

Type I Error Power Type I Error Power

μx =0 μx =0.5 μx =1.0 μx =0 μx =0.5 μx =1.0
N=100 p=2 0.4 0.0587 0.9919 1.0000 0.0580 0.9718 0.9990
1.0 0.0558 0.9373 1.0000 0.0611 0.9230 0.9986
p=5 0.4 0.0555 0.9989 1.0000 0.0530 0.9512 0.9992
1.0 0.0587 0.9626 1.0000 0.0604 0.9446 0.9976
p=10 0.4 0.0588 0.9995 1.0000 0.0595 0.9531 0.9999
1.0 0.0556 0.9684 1.0000 0.0621 0.9680 0.9992

N=200 p=2 0.4 0.0495 0.9999 1.0000 0.0594 0.9990 0.9985
1.0 0.0536 0.9991 1.0000 0.0593 0.9983 0.9995
p=5 0.4 0.0540 1.0000 1.0000 0.0524 0.9952 0.9996
1.0 0.0511 0.9997 1.0000 0.0543 0.9981 0.9999
p=10 0.4 0.0549 1.0000 1.0000 0.0546 0.9950 0.9996
1.0 0.0536 0.9999 1.0000 0.0551 0.9979 1.0000