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Figure 1 | BMC Bioinformatics

Figure 1

From: A factor model to analyze heterogeneity in gene expression

Figure 1

Structure of the illustrative data sets. Representation of three illustrative studies consisting of 1000 genes on 20 arrays divided between two groups. (A) Case 1: one independent grouping variable with red and green levels affecting all genes. (B) Case 2: one independent grouping variable with red and green levels affecting a gene set. (C) Case 3: two independent grouping variables with red and green levels and with blue and orange levels affecting each a different gene set.

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