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Table 2 Accuracy of each test statistic when compared to a "gold standard" t-statistic.

From: Improving the statistical detection of regulated genes from microarray data using intensity-based variance estimation

  Mavg t d90th percentile dSAM Z(Iavg) Z(Imin)
Dataset 4 #1 0.69 0.09 0.80 0.80 0.79 0.83
Dataset 4 #2 0.66 0.08 0.78 0.78 0.79 0.82
Dataset 4 #3 0.54 0.04 0.79 0.70 0.77 0.84
Dataset 4 #4 0.68 0.02 0.80 0.79 0.80 0.83
Dataset 4 #5 0.64 0.06 0.80 0.74 0.78 0.84
Dataset 4 #6 0.67 0.01 0.80 0.80 0.79 0.83
  1. Each column contains the R2 value calculated between each experimental test statistic and the "gold standard" t-statistic for (left to right): the average logged ratio Mavg, the standard t-statistic, the 90th percentile penalized t-statistic, the SAM penalized t-statistic, the Z-statistic using the Iavg pooling metric and the Z-statistic using the Imin pooling metric. Data are from six independent three-array subsets of Dataset 4. Although Mavg is not a statistical test, it is included in this table for comparison.