Fig. 1
From: MethylToSNP: identifying SNPs in Illumina DNA methylation array data
Venn diagram of known polymorphisms recommended for removal in published literature. a For Illumina 450K data, four publications agree on identification of 289,952 polymorphic positions [5,6,7,8], but do not agree on an additional 38,407 positions. b For Illumina Epic data, two publications [9, 10] agree on identification of 346,681 polymorphic positions but differ on another 42,369 positions. Data obtained via methylcheck python package