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  • rdoan
    Member
    • Oct 2012
    • 10

    #1

    PAML Error

    I am running the aaml program of PAML using a amino acid alignment of several species. When I run the aaml.ctl file with my tree and phylip file, I receive the following error:

    Error: initial value alpha <= 0 for fix_alpha = 0


    Any ideas on what may be causing this error?

    Thanks for the help!


    Here is part of my ctl file:
    seqfile = /gene.phylip
    treefile = /gene.nh
    outfile = /gene.out
    noisy = 9
    verbose = 0
    runmode = 0
    seqtype = 2
    aaRatefile = /dat/wag.dat
    model = 3
    Mgene = 0
    fix_alpha = 0
    alpha = 0.
    Malpha = 0
    ncatG = 2
    clock = 0
    getSE = 0
    RateAncestor = 1
    Small_Diff = .5e-6
    cleandata = 0
    method = 0

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