Type of Normalization done to TCGA level 3 Methylation Data
Hello! I have TCGA level 3 methylation data on CHOL and I want to replicate DMR analysis procedure in a paper I am reading but using different data than was used. Now, I know from TCGAs website that level 3 data is already normalized however, I not found any paper, or information on their site as to how normalization was done or at least what type of normalization was done.
I have two questions:
- Can anyone point me to a resource that documents the specific normalization done on TCGA’s level 3 methylation data?
- Without knowledge on the normalization done, how much of an effect will the BMIQ normalization procedure have if I should use it before proceeding with my analysis?
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