Fig. 1
From: NaviSE: superenhancer navigator integrating epigenomics signal algebra
Epigenomics signal algebra. Schemes of the different pairwise operations implemented in NaviSE. The top two rows depict an example of the two epigenomic signals to be combined, and the remaining rows illustrate the signal profile after applying the respective operator. Simplified Euler-Venn diagrams given in the rightmost column illustrate the set operations. AND, OR, NOT and XOR are Boolean operations which do not change the signal pileup; whereas +, -, and SYM are arithmetic operations which can change the signal pileup. In the case of - and SYM, negative pileups are transformed into zeros