Ejemplo n.º 1
0
def nllk_drate_fix_drate_times_b(dRate,
                                 multiAlign,
                                 dRateTimesTreeTotalBranchLength,
                                 tree,
                                 qMat,
                                 piProb,
                                 cList,
                                 qRates=[1.]):
    """
    negative log-likelihood for rate = (iRate, dRate) based on PIP
    """
    if dRate <= 0:
        return 1.e10
    seqNames = multiAlign.keys()
    mLen = len(multiAlign.values()[0])
    treeScaled = copy.deepcopy(tree)
    treeScaled.scale_edges(dRateTimesTreeTotalBranchLength /
                           (dRate * tree.length()))
    # print treeScaled.length()
    # print dRate
    # print treeScaled.length() * dRate
    pc0 = pc0_from_dRate_and_tree(dRate, seqNames, treeScaled, qMat, piProb,
                                  cList, qRates)
    iRate = mle_irate_given_drate(dRate, treeScaled, pc0, mLen)
    nllk = -logprob_msa(multiAlign, treeScaled, qMat, piProb, iRate, dRate,
                        cList, qRates)
    # print nllk
    return nllk
Ejemplo n.º 2
0
def nllk_rate(rate, multiAlign, tree, qMat, piProb, cList):
    """
    negative log-likelihood for rate = (iRate, dRate) based on PIP
    """
    iRate, dRate = rate
    if iRate <= 0 or dRate <= 0:
        return 1.e10
    nllk = - logprob_msa(multiAlign, tree, qMat, piProb, iRate, dRate, cList)
    return nllk
Ejemplo n.º 3
0
def nllk_rate(rate, multiAlign, tree, qMat, piProb, cList):
    """
    negative log-likelihood for rate = (iRate, dRate) based on PIP
    """
    iRate, dRate = rate
    if iRate <= 0 or dRate <= 0:
        return 1.e10
    nllk = -logprob_msa(multiAlign, tree, qMat, piProb, iRate, dRate, cList)
    return nllk
Ejemplo n.º 4
0
def nllk_drate(dRate, multiAlign, tree, qMat, piProb, cList, qRates=[1.]):
    """
    negative log-likelihood for rate = (iRate, dRate) based on PIP
    """
    if dRate <= 0:
        return 1.e10
    seqNames = multiAlign.keys()
    mLen = len(multiAlign.values()[0])
    pc0 = pc0_from_dRate_and_tree(dRate, seqNames, tree, qMat, piProb, cList, qRates)
    iRate = mle_irate_given_drate(dRate, tree, pc0, mLen)
    nllk = - logprob_msa(multiAlign, tree, qMat, piProb, iRate, dRate, cList, qRates)
    return nllk
Ejemplo n.º 5
0
def nllk_drate(dRate, multiAlign, tree, qMat, piProb, cList, qRates=[1.]):
    """
    negative log-likelihood for rate = (iRate, dRate) based on PIP
    """
    if dRate <= 0:
        return 1.e10
    seqNames = multiAlign.keys()
    mLen = len(multiAlign.values()[0])
    pc0 = pc0_from_dRate_and_tree(dRate, seqNames, tree, qMat, piProb, cList,
                                  qRates)
    iRate = mle_irate_given_drate(dRate, tree, pc0, mLen)
    nllk = -logprob_msa(multiAlign, tree, qMat, piProb, iRate, dRate, cList,
                        qRates)
    return nllk
Ejemplo n.º 6
0
def nllk_drate_fix_drate_times_b(dRate, multiAlign, dRateTimesTreeTotalBranchLength, tree, qMat, piProb, cList, qRates=[1.]):
    """
    negative log-likelihood for rate = (iRate, dRate) based on PIP
    """
    if dRate <= 0:
        return 1.e10
    seqNames = multiAlign.keys()
    mLen = len(multiAlign.values()[0])
    treeScaled = copy.deepcopy(tree)
    treeScaled.scale_edges(dRateTimesTreeTotalBranchLength / (dRate * tree.length()))
    # print treeScaled.length()
    # print dRate
    # print treeScaled.length() * dRate
    pc0 = pc0_from_dRate_and_tree(dRate, seqNames, treeScaled, qMat, piProb, cList, qRates)
    iRate = mle_irate_given_drate(dRate, treeScaled, pc0, mLen)
    nllk = - logprob_msa(multiAlign, treeScaled, qMat, piProb, iRate, dRate, cList, qRates)
    # print nllk
    return nllk