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  • milesgr
    Member
    • Jun 2010
    • 34

    #1

    upper quartile normalization

    I'm sure this has been asked before, but does anyone know how to perform upper quartile normalization on RNA-seq data? I cannot find a script to do this and it seems like it should be a simple matter of getting the read counts for each lane and then normalizing (but I'm not certain as to the statistical calculation behind this, although I know it is not complex). Thanks.
  • milesgr
    Member
    • Jun 2010
    • 34

    #2
    anyone? a little help here would be much appreciated.

    Comment

    • Simon Anders
      Senior Member
      • Feb 2010
      • 995

      #3
      Our DESeq package uses an internal normalization, and our Preprint explains why normalizing explicitely is a bad idea anyway.

      Maybe that helps.

      Simon

      Comment

      • Fabien Campagne
        Member
        • Feb 2010
        • 39

        #4
        Goby supports Upper Quartile normalization since version 1.5. See argument --normalization-methods at http://campagnelab.org/software/goby...tation-counts/

        See also http://campagnelab.org/software/goby...al-expression/

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