Figure 2.

Observed frequency distributions of the 9 categorical states for the GBM dataset: U-G, N-G, D-G, U-N, N-N, D-N, U-L, N-L, D-L. Boxplots corresponding to the distributions of number of samples assigned to each category for all the gene loci. Insert: Contingency table showing the 9 possible categories for the gene expression and copy number. The total number of GBM samples analysed was 64.

Fontanillo et al. BMC Genomics 2012 13(Suppl 5):S5   doi:10.1186/1471-2164-13-S5-S5