Table 3.

Estimates of ${\widehat{\pi }}_0$ based on the prostate tumor data set from the Stanford microarray database. The first four rows are estimated based on the four partitions of the whole data set while the last row the is based on the data set. The means and standard errors (5th and 6th rows) are calculated based on the estimates of the four sub-data sets.

	BUM	SPLOSH	LSL	Bootstrap LSE	QVALUE	SEP	mgf	PRE	Global-p
Sub-data 1	0.4011	0.4844	0.8071	0.4802	0.4662	0.5792	0.5677	0.4536	0.5583
Sub-data 2	0.5211	0.5710	0.9106	0.5797	0.5679	0.5865	0.6866	0.5727	0.6722
Sub-data 3	0.5529	0.6104	0.9302	0.6235	0.6070	0.6232	0.7120	0.6097	0.7082
Sub-data 4	0.6056	0.6627	0.9628	0.6709	0.6618	0.6760	0.7529	0.6646	0.7493
Mean	0.5202	0.5821	0.9027	0.5886	0.5758	0.6162	0.6798	0.5751	0.6702
Sd	0.0867	0.0752	0.0672	0.0813	0.0826	0.0443	0.0796	0.0894	0.0821
Whole	0.3940	0.4706	0.6598	0.3949	0.3882	0.5979	0.4706	0.2803	0.4721