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  • bioenvisage
    Member
    • Oct 2009
    • 40

    #1

    velvet expected cov

    Can any one tell how to set the expected coverege parameter in velvet denovo assembly , if i have the illumina reads of 0.1x cov.
  • spenthil
    Member
    • Sep 2009
    • 44

    #2
    Take a look at section 5.2 and 5.3 of the velvet manual:
    5.2 Choice of a coverage cutoff (14)
    5.3 Determining the expected coverage (16)
    --
    Senthil Palanisami

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    • bioenvisage
      Member
      • Oct 2009
      • 40

      #3
      hi ,thanks for your reply...From the manual it is stated that with reference to the graph the expected cov is calculated as 14x ,so what i understood is we should take the value of the highest peak.am I right ?

      Comment

      • spenthil
        Member
        • Sep 2009
        • 44

        #4
        You could always just use "-cov_cutoff auto" (take a look at the manual), but I prefer to avoid magic when possible.

        I would make the graph and use it as a starting point, although I recommend then tweaking the parameters and seeing what you get (especially do'able since it is done in the second step, velvetg).
        --
        Senthil Palanisami

        Comment

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