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Table 2 Comparison of Estimates for Local FDR (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
z   unconstrained constrained unconstrained constrained unconstrained constrained
2 ratio 1.42 1.04 3.80 1.20 1.17 1.00
  relative SD   0.24   0.05   0.40
2.5 ratio 1.99 1.17 1.25 1.30 1.30 1.00
  relative SD   0.23   0.02   0.25
3 ratio 3.16 1.14 62.0 1.30 1.48 0.95
  relative SD   0.14   0.003   0.15
3.5 ratio 8.98 1.17 535.6 1.30 1.94 0.97
  relative SD   0.04   0.0004   0.10
4 ratio 35.9 1.34 764.6 1.60 2.81 1.00
  relative SD   0.01   0.00004   0.06