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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.