Exemple #1
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def compute_module_count(inf, is_mmod):
    if is_mmod:
        mods = eval_util.read_mmods(inf)
    else:
        mods = eval_util.read_rmods(inf)

    return len(mods)
Exemple #2
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def compute_efficacy(inf, is_rmod, is_partial_module, S, mets, reacts):
    if is_rmod:
        mods = eval_util.read_mmods(inf)
    else:
        mods = eval_util.read_rmods(inf)

    sizes = []
    for mod_name, mod_metabs in mods.iteritems():
        sizes.append(len(mod_metabs))

    if is_partial_module:
        pass
        # TODO:PARTIAL: should create one big module of unused ones!? NO! DO NOTHING JUST IGNORE THEM!

    N = sum(sizes)

    p = efficacy_empirical_p(N)

    if len(sizes) != 0:
        efficacy = 1.0 * (math.log(efficacy_f(N, alpha, p)) - math.log(
            efficacy_F(sizes, len(sizes), alpha, p))) * 1.0 / (
                math.log(efficacy_f(N, alpha, p)) -
                math.log(2 * efficacy_f(math.sqrt(N), alpha, p)))
    else:
        efficacy = 0.0

    return efficacy
Exemple #3
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def general_compute_distance(cached_reaction_similarities, similarity_table, table_gene_order, inf, species, criteria, factor1, factor2, is_mmod, is_partial_module, S, mets, reacts, revs, go_loaded_model, moredata_loaded_model):
    if is_mmod:
        mmods = eval_util.read_mmods(inf)
        mods = eval_util.convert_metabmod_to_reactmod(mmods, is_partial_module, S, mets, reacts)
    else:
        mods = eval_util.read_rmods(inf)

        # TODO:PARTIAL: all reactions that are not counted in modules (NO: are assigned to external module
        # and) -1 (like blocked reactions) is placed for couplings (in associated rows and columns)
        if is_partial_module:
            done_reacts = set()
            for mod_n, mod_rs in mods.iteritems():
                done_reacts.update(mod_rs)

            not_done_reacts = set(reacts) - set(done_reacts)
            if len(not_done_reacts) > 0:
                mods[eval_constants.EXTERNAL_MODULE_ID] = not_done_reacts

    if species == 'arabidopsis_irs1597':
        mods = filter_out_reactions_by_type(mods, [(0, 'R_EX')])
    else:
        mods = filter_out_reactions_by_type(mods, [(0, 'R_EX_')])

    mods_similarity_table = {}
    for mod1_name, mod1 in mods.iteritems():
        mods_similarity_table[mod1_name] = {}
        for mod2_name, mod2 in mods.iteritems():
            sim = 0
            for r1 in mod1:
                for r2 in mod2:
                    if mod1_name != mod2_name or r1 != r2:  # designed to work for overlapping modules. only filters out a gene-similarity-with-itself for intra-module
                        sim += compute_similarity_of_gene_pair(cached_reaction_similarities, r1, r2, similarity_table, species, criteria, factor1, factor2, go_loaded_model, moredata_loaded_model)
            mods_similarity_table[mod1_name][mod2_name] = sim

    # print 'mod simetable done'

    # TODO:BUG: for overlapping modules this fails because (len(rxns) - len(mods[mod_name])) is wrong
    intra_score = 0
    inter_score = 0
    for mod_name, mods_sim in mods_similarity_table.iteritems():
        intra_piece = mods_sim[mod_name] * 1.0 / pow(len(mods[mod_name]), 2)
        inter_piece = sum([mods_sim[other_mod_name] * 1.0 / (len(mods[mod_name]) * len(mods[other_mod_name])) for other_mod_name in mods_similarity_table.iterkeys() if other_mod_name != mod_name])
        if mod_name == eval_constants.EXTERNAL_MODULE_ID:
            intra_score -= intra_piece
            inter_score -= inter_piece
        else:
            intra_score += intra_piece
            inter_score += inter_piece

    # print 'done'

    return intra_score - inter_score
Exemple #4
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def compute_cohesion_coupling(inf, is_mmod, is_partial_module, S, mets, reacts,
                              revs):
    couplings, blocks = compute_couplings(
        S, mets, reacts, revs,
        max(map(lambda s: len(s), reacts)) + 1,
        max(map(lambda s: len(s), mets)) + 1)

    if is_mmod:
        mmods = eval_util.read_mmods(inf)
        mods = eval_util.convert_metabmod_to_reactmod(mmods, is_partial_module,
                                                      S, mets, reacts)
    else:
        mods = eval_util.read_rmods(inf)

        # TODO:PARTIAL: all reactions that are not counted in modules (NO: are assigned to external module
        # and) -1 (like blocked reactions) is placed for couplings (in associated rows and columns)
        if is_partial_module:
            done_reacts = set()
            for mod_n, mod_rs in mods.iteritems():
                done_reacts.update(mod_rs)

            not_done_reacts = set(reacts) - set(done_reacts)
            if len(not_done_reacts) > 0:
                mods[eval_constants.EXTERNAL_MODULE_ID] = not_done_reacts

            couplings = copy.deepcopy(couplings)
            for r in not_done_reacts:
                r_idx = reacts.index(r)
                for i in range(len(reacts)):
                    couplings[i][r_idx] = -1
                    couplings[r_idx][i] = -1

    module_coupling_table, module_order_in_header = compute_module_coupling_table(
        couplings, blocks, mods, reacts)

    return compute_coupling_uncoupling_score(module_coupling_table,
                                             module_order_in_header)
Exemple #5
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def compute_and_print_size_distribution(inf, is_mmod, species, method):
    out_dir = '%s/sizes' % my_constants.evalResultPath
    my_util.mkdir_p(out_dir)

    if is_mmod:
        mods = eval_util.read_mmods(inf)
    else:
        mods = eval_util.read_rmods(inf)

    sizes = []
    for mod_name, mod_metabs in mods.iteritems():
        sizes.append(len(mod_metabs))

    result_file = '%s/%s_%s.png' % (out_dir, species, method)
    alt_result_file = '%s/sc_%s_%s.png' % (out_dir, species, method)

    f = open('size_distrib.r', 'w')
    write_line(f, 'png("%s")' % result_file)
    write_line(
        f, "hist(c(%s), main='%d modules (%s)', xlab='', ylab='')" %
        (','.join([str(s) for s in sizes]), len(mods), species + ' ' + method))
    write_line(f, 'dev.off()')
    write_line(f, 'png("%s")' % alt_result_file)
    write_line(
        f,
        "stripchart(c(%s), main='%d modules (%s)', method='stack', offset=0.5, pch=1)"
        % (','.join([str(s)
                     for s in sizes]), len(mods), species + ' ' + method))
    write_line(f, 'dev.off()')
    f.close()

    res = os.system('%s size_distrib.r' % my_constants.rScriptPath)

    while not os.path.isfile(result_file):
        time.sleep(5)

    return '=HYPERLINK("%s")' % result_file
Exemple #6
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def compute_modularity(inf, S, mets, reacts, is_partial_module):
    mods = eval_util.read_mmods(
        inf
    )  #khotoote dakhele final module ro mikhone mirize toye in dictionary harkodoom az met ha dakhele yek cell

    metab_edges = {}

    # the following IF merely fills metabmod_orgranized_reacts
    # TODO: do_bipartite_explode + is_rmod not supported yet! do_bipartite_explode is simply ignored in the case
    #if is_rmod:
    #mods, metabmod_orgranized_reacts = eval_util.convert_reactmod_to_overlapping_metabmod(mods, is_partial_module, S, mets, reacts)
    #elif do_bipartite_explode:
    #  metabmod_orgranized_reacts = {}

    # graph_edges = my_util.graph_by_explode_reactions_to_complete_bipartite(S, mets)

    # the following computes metabmod_orgranized_reacts
    #metab_to_module = {v: k for k in mods.keys() for v in mods[k]}
    #for e in graph_edges:
    #   r_mods = {metab_to_module[e[0]], metab_to_module[e[1]]}
    #  if len(r_mods) == 1:
    #     mod = r_mods.pop()
    #    if mod not in metabmod_orgranized_reacts:
    #       metabmod_orgranized_reacts[mod] = ([], [], [])
    #  metabmod_orgranized_reacts[mod][0].append(e)
    #else:
    #for mod in r_mods:
    #if mod not in metabmod_orgranized_reacts:
    #   metabmod_orgranized_reacts[mod] = ([], [], [])
    #metabmod_orgranized_reacts[mod][2].append(e)

    #if not is_rmod:
    metabmod_orgranized_reacts = {}

    metab_to_module = {v: k
                       for k in mods.keys() for v in mods[k]
                       }  #moshakhas mikone har metabi baraye che moduli hast

    if is_partial_module:
        done_metabs = set(metab_to_module.keys())
        for m in mets:
            if m not in done_metabs:
                metab_to_module[m] = eval_constants.EXTERNAL_MODULE_ID

    for r in reacts:
        r_metabs = eval_util.get_metabolites_of_reaction_idx(
            S, mets, reacts.index(r)
        )  #metab hayi ke dakhele in reaction hastand ra barmigardanad
        r_mods = set(
            [metab_to_module[m] for m in r_metabs]
        )  #moshakhas mikonad ke har metab dakhele in reaction dar che moduli hast

        # TODO: with the following if, reactions where all nodes are in either one module or external space, are counted as outside-reaction
        if len(r_mods) == 1:  # inner-edge detected
            mod = r_mods.pop()
            if is_partial_module and mod == eval_constants.EXTERNAL_MODULE_ID:  # TODO:PARTIAL: skip reactions completely outside all modules
                continue

            if mod not in metabmod_orgranized_reacts:
                metabmod_orgranized_reacts[mod] = ([], [], [])
            metabmod_orgranized_reacts[mod][0].append(r)
        else:  # outer-edge detected
            for mod in r_mods:
                if mod not in metabmod_orgranized_reacts:
                    metabmod_orgranized_reacts[mod] = ([], [], [])
                metabmod_orgranized_reacts[mod][2].append(r)

    # compute metab_edges
    #if do_bipartite_explode:
    #for e in graph_edges:
    #for ee in e:
    #if ee not in metab_edges:
    #metab_edges[ee] = []
    #metab_edges[ee].append(e)
    #if not do_bipartite_explode:
    for ri, r in enumerate(reacts):
        for re_idx in range(len(S)):
            if S[re_idx][ri] == 0:
                continue

            m = mets[re_idx]
            if m not in metab_edges:
                metab_edges[m] = []
            metab_edges[m].append(
                r
            )  # ta inja miad reaction haye marbot be har metab ra migzare dakhele dictinary ba kelide metab

    # compute total_links
    #if do_bipartite_explode:
    #total_links = len(graph_edges)
    #if not do_bipartite_explode:
    total_links = 0
    for m_row in S:  # TODO: what about metabolites that are counted more than one time because of overlapping modules?
        m_degree = sum([1 for ri in m_row
                        if ri != 0])  #tedad azaye mokhalefe 0 ro mishmare
        total_links += m_degree
    total_links /= 2.0  #inja darajeye kole graph ro bedast miare

    modularity = 0.0
    for mod_name, mod_metabs in mods.iteritems():
        print mod_name, mod_metabs
        ls = len(
            metabmod_orgranized_reacts[mod_name][0]
        )  # + len(metabmod_orgranized_reacts[mod_name][1])   # TODO: wrongly-inner edges should be counted?

        ds = 0
        for m in mod_metabs:
            # metab_row = S[mets.index(m)]
            # ds += sum([1 for ri in metab_row if ri != 0])
            ds += len(
                metab_edges[m]
            )  # TODO: for hyperarcs this causes a reaction to be counted more than once for a module

        sum_term = ls * 1.0 / total_links - pow(ds / (2.0 * total_links), 2)
        if mod_name == eval_constants.EXTERNAL_MODULE_ID:
            modularity -= sum_term
        else:
            modularity += sum_term

    return modularity
Exemple #7
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def compute_modularity(inf, is_rmod, do_bipartite_explode, is_partial_module, S, mets, reacts):
    mods = eval_util.read_mmods(inf)

    metab_edges = {}

    # the following IF merely fills metabmod_orgranized_reacts
    # TODO: do_bipartite_explode + is_rmod not supported yet! do_bipartite_explode is simply ignored in the case
    if is_rmod:
        mods, metabmod_orgranized_reacts = eval_util.convert_reactmod_to_overlapping_metabmod(mods, is_partial_module, S, mets, reacts)
    elif do_bipartite_explode:
        metabmod_orgranized_reacts = {}

        graph_edges = my_util.graph_by_explode_reactions_to_complete_bipartite(S, mets)

        # the following computes metabmod_orgranized_reacts
        metab_to_module = {v: k for k in mods.keys() for v in mods[k]}
        for e in graph_edges:
            r_mods = {metab_to_module[e[0]], metab_to_module[e[1]]}
            if len(r_mods) == 1:
                mod = r_mods.pop()
                if mod not in metabmod_orgranized_reacts:
                    metabmod_orgranized_reacts[mod] = ([], [], [])
                metabmod_orgranized_reacts[mod][0].append(e)
            else:
                for mod in r_mods:
                    if mod not in metabmod_orgranized_reacts:
                        metabmod_orgranized_reacts[mod] = ([], [], [])
                    metabmod_orgranized_reacts[mod][2].append(e)

    else:
        metabmod_orgranized_reacts = {}

        metab_to_module = {v: k for k in mods.keys() for v in mods[k]}

        if is_partial_module:
            done_metabs = set(metab_to_module.keys())
            for m in mets:
                if m not in done_metabs:
                    metab_to_module[m] = eval_constants.EXTERNAL_MODULE_ID

        for r in reacts:
            r_metabs = eval_util.get_metabolites_of_reaction_idx(S, mets, reacts.index(r))
            r_mods = set([metab_to_module[m] for m in r_metabs])

            # TODO: with the following if, reactions where all nodes are in either one module or external space, are counted as outside-reaction
            if len(r_mods) == 1:  # inner-edge detected
                mod = r_mods.pop()

                if is_partial_module and mod == eval_constants.EXTERNAL_MODULE_ID:  # TODO:PARTIAL: skip reactions completely outside all modules
                    continue

                if mod not in metabmod_orgranized_reacts:
                    metabmod_orgranized_reacts[mod] = ([], [], [])
                metabmod_orgranized_reacts[mod][0].append(r)
            else:  # outer-edge detected
                for mod in r_mods:
                    if mod not in metabmod_orgranized_reacts:
                        metabmod_orgranized_reacts[mod] = ([], [], [])
                    metabmod_orgranized_reacts[mod][2].append(r)

    # compute metab_edges
    if do_bipartite_explode:
        for e in graph_edges:
            for ee in e:
                if ee not in metab_edges:
                    metab_edges[ee] = []
                metab_edges[ee].append(e)
    else:
        for ri, r in enumerate(reacts):
            for re_idx in range(len(S)):
                if S[re_idx][ri] == 0:
                    continue

                m = mets[re_idx]
                if m not in metab_edges:
                    metab_edges[m] = []
                metab_edges[m].append(r)

    # compute total_links
    if do_bipartite_explode:
        total_links = len(graph_edges)
    else:
        total_links = 0
        for m_row in S:  # TODO: what about metabolites that are counted more than one time because of overlapping modules?
            m_degree = sum([1 for ri in m_row if ri != 0])
            total_links += m_degree
        total_links /= 2.0

    modularity = 0.0
    for mod_name, mod_metabs in mods.iteritems():
        ls = len(metabmod_orgranized_reacts[mod_name][0])  # + len(metabmod_orgranized_reacts[mod_name][1])   # TODO: wrongly-inner edges should be counted?

        ds = 0
        for m in mod_metabs:
            # metab_row = S[mets.index(m)]
            # ds += sum([1 for ri in metab_row if ri != 0])
            ds += len(metab_edges[m])  # TODO: for hyperarcs this causes a reaction to be counted more than once for a module

        sum_term = ls * 1.0 / total_links - pow(ds / (2.0 * total_links), 2)
        if mod_name == eval_constants.EXTERNAL_MODULE_ID:
            modularity -= sum_term
        else:
            modularity += sum_term

    return modularity
Exemple #8
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def do_compute_distance(cached_metabolite_similarities,
                        compound_similarity_table, table_compound_order, inf,
                        species, factor1, is_rmod, is_partial_module, S, mets,
                        reacts, revs, chebi_loaded_model):
    if is_rmod:
        mods = eval_util.read_mmods(inf)
        mods, metabmod_orgranized_reacts = eval_util.convert_reactmod_to_overlapping_metabmod(
            mods, is_partial_module, S, mets, reacts)
    else:
        mods = eval_util.read_mmods(inf)
        if is_partial_module:
            done_mets = set()
            for mod_n, mod_mets in mods.iteritems():
                done_mets.update(mod_mets)

            not_done_metabs = set(mets) - set(done_mets)
            if len(not_done_metabs) > 0:
                mods[eval_constants.EXTERNAL_MODULE_ID] = not_done_metabs

    # mods = filter_out_reactions_by_type(mods, [(0, 'R_EX_')])

    mods_similarity_table = {}
    for mod1_name, mod1 in mods.iteritems():
        mods_similarity_table[mod1_name] = {}
        for mod2_name, mod2 in mods.iteritems():
            sim = 0
            for m1 in mod1:
                for m2 in mod2:
                    if mod1_name != mod2_name or m1 != m2:  # designed to work for overlapping modules. only filters out a gene-similarity-with-itself for intra-module
                        sim += compute_similarity_of_metabolite_pair(
                            cached_metabolite_similarities, m1, m2,
                            compound_similarity_table, species, factor1,
                            chebi_loaded_model)
            mods_similarity_table[mod1_name][mod2_name] = sim

    if eval_constants.VERBOSE >= 2:
        print 'compute_similarity_of_metabolite_pair stat for species %s: done: %d, missed_for_no_compound: %d, missed_for_not_in_chebi: %d' % (
            species, metabolite_pair_similarity_done,
            metabolite_pair_similarity_missed_reason1,
            metabolite_pair_similarity_missed_reason2)
    # print 'mod simetable done'

    # TODO:BUG: for overlapping modules this fails because (len(rxns) - len(mods[mod_name])) is wrong
    intra_score = 0
    inter_score = 0
    for mod_name, mods_sim in mods_similarity_table.iteritems():
        intra_piece = mods_sim[mod_name] * 1.0 / pow(len(mods[mod_name]), 2)
        inter_piece = sum([
            mods_sim[other_mod_name] * 1.0 /
            (len(mods[mod_name]) * len(mods[other_mod_name]))
            for other_mod_name in mods_similarity_table.iterkeys()
            if other_mod_name != mod_name
        ])
        if mod_name == eval_constants.EXTERNAL_MODULE_ID:
            intra_score -= intra_piece
            inter_score -= inter_piece
        else:
            intra_score += intra_piece
            inter_score += inter_piece

    # print 'done'

    return intra_score - inter_score