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Which array is this? You have duplicated gene names because many genes have multiple probes (e.g., for different transcripts).
So what all steps can i do to get the unique genes?? This is for affymetrix platform.
Which affymetrix array?
The GeneChip Human Genome U133 Plus 2.0 Array
I think the
affypackage has a method for that. It's been a few years though...