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Fig. 2 | BMC Bioinformatics

Fig. 2

From: Shambhala: a platform-agnostic data harmonizer for gene expression data

Fig. 2

Pearson chi squared test p-value for gene expression levels. The null hypothesis was that gene expression level do not match the negative binomial law. The optimal parameters for negative binomial distribution for every gene were first assessed using the glm.nb R function, and then the applicability of negative binomial law was checked using the chisq.test function. Panel a: MAQC data (platforms Agilent GPL1708, Affymetrix GPL570, Illumina GPL3507). Panel b: SEQC data (platforms Illumina HiSeq 2000 GPL11154, microarray platforms Illumina GPL10558, Affymetrix GPL17930 and GPL16043)

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