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  • efoss
    Member
    • Jul 2011
    • 98

    #1

    what does "edit distance" mean?

    The BWA manual refers to "edit distance". What does this mean?

    Eric
  • swbarnes2
    Senior Member
    • May 2008
    • 910

    #2
    It's the amount of difference between two sequences; your read, and your reference.

    Comment

    • efoss
      Member
      • Jul 2011
      • 98

      #3
      Originally posted by swbarnes2 View Post
      It's the amount of difference between two sequences; your read, and your reference.
      Thanks very much.

      Eric

      Comment

      • slink
        Junior Member
        • Jun 2010
        • 6

        #4
        Below is from BWA.aln documentation:
        "The maximum edit distance. This specifies a threshold of the maximum number of deletions, insertions, and substitutions needed to transform the reference sequence into the read sequence."

        Comment

        • JamieHeather
          @jamimmunology
          • Nov 2012
          • 96

          #5
          In computer science-speak, it's the Levenshtein distance

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