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Fig. 2 | BMC Bioinformatics

Fig. 2

From: GSAR: Bioconductor package for Gene Set analysis in R

Fig. 2

An example of bivariate normal distribution illustrating specific alternative hypotheses for a hypothetical gene set of size p = 2. a The standard bivariate normal distribution; b differential distribution as compared to panel A; c differential mean (shift) as compared to panel A; d differential variance (scale) as compared to panel A; e differential correlation between two components as compared to panel A. While the left-side panel shows three-dimensional density plots, the right-side panel shows the corresponding contour plots

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