Nine categories for gene assignment. 9 categories (X-axis: gene expression; Y-axis: methylation status); NG, DN, and UP stand for no change, down regulation, and up regulation in gene expression. NM, HO, and HR stand for no change in methylation, hypomethylation, and hypermethylation.
Jeong et al. BMC Medical Genomics 2010 3:55 doi:10.1186/1755-8794-3-55