Exemplo n.º 1
0
def process_stats(stats_file_name, G, matchings):
    """
    prints the matchings and the stats generated
    :param stats_file_name: file to generate the stats to
    :param G: bipartite graph
    :param matchings: see documentation for collect_stats
    :return: None
    """
    def avg(l):
        return sum(l) / len(l)

    def get_indices(M):
        return [G.E[a].index(M[a])+1 for a in G.A if a in M]

    # generate and print the matchings
    table = [['matching desc.', 'matching size', '# unstable pairs',
              'min index', 'max index', 'avg index']]
    for matching in matchings:
        M = matching['algo'](graph.copy_graph(G))
        # print(M)
        indices = get_indices(M)
        table.append([matching['desc'], matching_utils.matching_size(M),
                      len(matching_utils.unstable_pairs(G, M)),
                      min(indices), max(indices), avg(indices)])
        print_matching(G, M, matching['file'](dir, iteration))

    # print the stats corresponding to the matchings obtained
    with open(stats_file_name, encoding='utf-8', mode='w') as fout:
        print(tabulate(table, headers='firstrow', tablefmt='psql'), file=fout)
Exemplo n.º 2
0
def print_matching_stats(G, M, filepath):
    size = matching_utils.matching_size(G, M)
    bpairs = matching_utils.unstable_pairs(G, M)
    bres = blocking_residents(G, bpairs)
    rank1 = rank_1_residents(G, M)
    M_s = matching_algos.stable_matching_hospital_residents(graph.copy_graph(G))

    with open(filepath, mode='w', encoding='utf-8') as out:
        print('size: {}'.format(size), file=out)
        print('# blocking pair: {}'.format(len(bpairs)), file=out)
        print('# blocking residents: {}'.format(len(bres)), file=out)
        print('# residents matched to rank-1 partners: {}'.format(len(rank1)), file=out)
        print('total deficiency: {}'.format(sea.total_deficiency(G, M_s)), file=out)
Exemplo n.º 3
0
def print_matching_stats(G, M, filepath):
    size = matching_utils.matching_size(G, M)
    bpairs = matching_utils.unstable_pairs(G, M)
    bres = blocking_residents(G, bpairs)
    rank1 = rank_1_residents(G, M)
    M_s = matching_algos.stable_matching_hospital_residents(
        graph.copy_graph(G))

    with open(filepath, mode='w', encoding='utf-8') as out:
        print('size: {}'.format(size), file=out)
        print('# blocking pair: {}'.format(len(bpairs)), file=out)
        print('# blocking residents: {}'.format(len(bres)), file=out)
        print('# residents matched to rank-1 partners: {}'.format(len(rank1)),
              file=out)
        print('total deficiency: {}'.format(sea.total_deficiency(G, M_s)),
              file=out)
Exemplo n.º 4
0
def generate_heuristic_tex(G, matchings, output_dir, stats_filename):
    """
    print statistics for the hospital proposing heuristic as a tex file
    :param G: graph
    :param matchings: information about the matchings
    """
    # create a tex file with the statistics
    doc = Document('table')

    # add details about the graph, |A|, |B|, and # of edges
    n1, n2, m = len(G.A), len(G.B), sum(len(G.E[r]) for r in G.A)
    with doc.create(Subsection('graph details')):
        with doc.create(Tabular('|c|c|')) as table:
            table.add_hline()
            table.add_row('n1', n1)
            table.add_hline()
            table.add_row('n2', n1)
            table.add_hline()
            table.add_row('m', m)
        table.add_hline()

    M_s = matching_algos.stable_matching_hospital_residents(
        graph.copy_graph(G))
    with doc.create(Subsection('Size statistics')):
        with doc.create(Tabular('|c|c|c|c|c|c|c|')) as table:
            table.add_hline()
            table.add_row(('description', 'size', 'bp', 'bp ratio', 'block-R',
                           'rank-1', 'deficiency'))
            for desc in matchings:
                M = matchings[desc]
                sig = signature(G, M)
                bp = matching_utils.unstable_pairs(G, M)
                msize = matching_utils.matching_size(G, M)
                table.add_hline()
                table.add_row((
                    desc,
                    msize,
                    len(bp),
                    len(bp) / (m - msize),
                    len(blocking_residents(bp)),
                    sum_ranks(sig, (1, )),  #sum_ranks(sig, (1, 2, 3)),
                    total_deficiency(G, M_s)))
            table.add_hline()

    stats_abs_path = os.path.join(output_dir, stats_filename)
    doc.generate_pdf(filepath=stats_abs_path, clean_tex='False')
    doc.generate_tex(filepath=stats_abs_path)
Exemplo n.º 5
0
def generate_hr_tex(G, matchings, output_dir, stats_filename):
    """
    print statistics for the resident proposing stable,
    max-cardinality popular, and popular amongst max-cardinality
    matchings as a tex file
    :param G: graph
    :param matchings: information about the matchings
    """
    # create a tex file with the statistics
    doc = Document('table')
    # M_s = matching_algos.stable_matching_hospital_residents(graph.copy_graph(G))

    # add details about the graph, |A|, |B|, and # of edges
    n1, n2, m = len(G.A), len(G.B), sum(len(G.E[r]) for r in G.A)
    with doc.create(Subsection('graph details')):
        with doc.create(Tabular('|c|c|')) as table:
            table.add_hline()
            table.add_row('n1', n1)
            table.add_hline()
            table.add_row('n2', n1)
            table.add_hline()
            table.add_row('m', m)
        table.add_hline()

    with doc.create(Subsection('general statistics')):
        with doc.create(Tabular('|c|c|c|c|')) as table:
            table.add_hline()
            table.add_row(('description', 'size', 'bp', 'bp ratio'))
            for desc in matchings:
                M = matchings[desc]
                sig = signature(G, M)
                msize = matching_utils.matching_size(G, M)
                bp = matching_utils.unstable_pairs(G, M)
                table.add_hline()
                table.add_row((desc, msize, len(bp), len(bp)/(m - msize)))
            table.add_hline()

    # statistics w.r.t. set A
    stats_for_partition(G, matchings, doc)

    # statistics w.r.t. set B
    # stats_for_partition(G, matchings, doc, False)

    stats_abs_path = os.path.join(output_dir, stats_filename)
    doc.generate_pdf(filepath=stats_abs_path, clean_tex='False')
    doc.generate_tex(filepath=stats_abs_path)
Exemplo n.º 6
0
def generate_hr_tex(G, matchings, output_dir, stats_filename):
    """
    print statistics for the resident proposing stable,
    max-cardinality popular, and popular amongst max-cardinality
    matchings as a tex file
    :param G: graph
    :param matchings: information about the matchings
    """
    # create a tex file with the statistics
    doc = Document('table')
    # M_s = matching_algos.stable_matching_hospital_residents(graph.copy_graph(G))

    # add details about the graph, |A|, |B|, and # of edges
    n1, n2, m = len(G.A), len(G.B), sum(len(G.E[r]) for r in G.A)
    with doc.create(Subsection('graph details')):
        with doc.create(Tabular('|c|c|')) as table:
            table.add_hline()
            table.add_row('n1', n1)
            table.add_hline()
            table.add_row('n2', n1)
            table.add_hline()
            table.add_row('m', m)
        table.add_hline()

    with doc.create(Subsection('general statistics')):
        with doc.create(Tabular('|c|c|c|c|')) as table:
            table.add_hline()
            table.add_row(('description', 'size', 'bp', 'bp ratio'))
            for desc in matchings:
                M = matchings[desc]
                sig = signature(G, M)
                msize = matching_utils.matching_size(G, M)
                bp = matching_utils.unstable_pairs(G, M)
                table.add_hline()
                table.add_row((desc, msize, len(bp), len(bp) / (m - msize)))
            table.add_hline()

    # statistics w.r.t. set A
    stats_for_partition(G, matchings, doc)

    # statistics w.r.t. set B
    # stats_for_partition(G, matchings, doc, False)

    stats_abs_path = os.path.join(output_dir, stats_filename)
    doc.generate_pdf(filepath=stats_abs_path, clean_tex='False')
    doc.generate_tex(filepath=stats_abs_path)
Exemplo n.º 7
0
def generate_heuristic_tex(G, matchings, output_dir, stats_filename):
    """
    print statistics for the hospital proposing heuristic as a tex file
    :param G: graph
    :param matchings: information about the matchings
    """
    # create a tex file with the statistics
    doc = Document('table')

    # add details about the graph, |A|, |B|, and # of edges
    n1, n2, m = len(G.A), len(G.B), sum(len(G.E[r]) for r in G.A)
    with doc.create(Subsection('graph details')):
        with doc.create(Tabular('|c|c|')) as table:
            table.add_hline()
            table.add_row('n1', n1)
            table.add_hline()
            table.add_row('n2', n1)
            table.add_hline()
            table.add_row('m', m)
        table.add_hline()

    M_s = matching_algos.stable_matching_hospital_residents(graph.copy_graph(G))
    with doc.create(Subsection('Size statistics')):
        with doc.create(Tabular('|c|c|c|c|c|c|c|')) as table:
            table.add_hline()
            table.add_row(('description', 'size', 'bp', 'bp ratio', 'block-R',
                           'rank-1', 'deficiency'))
            for desc in matchings:
                M = matchings[desc]
                sig = signature(G, M)
                bp = matching_utils.unstable_pairs(G, M)
                msize = matching_utils.matching_size(G, M)
                table.add_hline()
                table.add_row((desc, msize, len(bp), len(bp)/(m - msize),
                               len(blocking_residents(bp)),
                               sum_ranks(sig, (1,)), #sum_ranks(sig, (1, 2, 3)),
                               total_deficiency(G, M_s)))
            table.add_hline()

    stats_abs_path = os.path.join(output_dir, stats_filename)
    doc.generate_pdf(filepath=stats_abs_path, clean_tex='False')
    doc.generate_tex(filepath=stats_abs_path)
def is_stable(G, M):
    upairs = matching_utils.unstable_pairs(G, M)
    return len(upairs) == 0
def is_stable(G, M):
    upairs = matching_utils.unstable_pairs(G, M)
    return len(upairs) == 0