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Table 1 Comparison of Estimates for Null Parameters (δ = -1, σ = 1, p0 = 0.909; 100 simulations).

From: Analyzing 2D gel images using a two-component empirical bayes model

50 bins, N= 550 100 bins, N= 550 100 bins, N= 5500
mean, SD unconstrained constrained unconstrained constrained unconstrained constrained
δ -1.008 -1.001 -1.002 -0.995 -0.999 -1.000
SD 0.089 0.056 0.097 0.058 0.032 0.020
σ 0.997 0.992 1.000 0.991 1.004 0.994
SD 0.164 0.043 0.125 0.043 0.045 0.017
p 0 0.914 0.905 0.916 0.906 0.913 0.907
SD 0.108 0.011 0.076 0.012 0.025 0.005