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Table 4 Means of skewness and kurtosis of distribution of log of gene expression.

From: Validation and characterization of DNA microarray gene expression data distribution and associated moments

Data set Mean skewness Mean kurtosis
Craniofacial -0.39 ± 0.03 4.02 ± 0.12
Liver -0.16 ± 0.03 3.82 ± 0.08
Brain -0.1 ± 0.02 3.52 ± 0.03
Male 0.26 ± 0.05 5.20 ± 0.31
Female 0.40 ± 0.06 5.97 ± 0.38
  1. Also included is the 95% confidence interval for these means. Note that the means are computed over those probe sets with mean expression greater than 6 in order to avoid analysis with noisy or low expression genes.