How to select one gene at a CpG site?
Hello, I have some problem to process TCGA public data.
I downloaded TCGA breast cancer's methylation data with annotation information using "TCGAbiolinks" package of R but there are some CpG sites which have multiple gene symbols at each.
However, I need data which have 1 gene symbol at 1 CpG site for analysis.
Is there any criteria or method?
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