MACHINE LEARNING TOOL. “A Self-Organizing Map (SOM) is another unsupervised machine learning clustering technique that has been used in two recent publications to analyze a large number of ChIP-seq (and DNase-seq) datasets using maps with potentially at least a thousand such micro-states.”
https://bmcsystbiol.biomedcentral.com/articles/10.1186/1752-0509-8-S2-S1