def simulation(args):
    """
    %prog simulation inversion.txt translocation.txt maps.txt multimaps.txt

    Plot ALLMAPS accuracy across a range of simulated datasets.
    """
    p = OptionParser(simulation.__doc__)
    opts, args, iopts = p.set_image_options(args, dpi=300)

    if len(args) != 4:
        sys.exit(not p.print_help())

    dataA, dataB, dataC, dataD = args
    fig = plt.figure(1, (iopts.w, iopts.h))
    root = fig.add_axes([0, 0, 1, 1])
    A = fig.add_axes([.12, .62, .35, .35])
    B = fig.add_axes([.62, .62, .35, .35])
    C = fig.add_axes([.12, .12, .35, .35])
    D = fig.add_axes([.62, .12, .35, .35])
    dataA = import_data(dataA)
    dataB = import_data(dataB)
    dataC = import_data(dataC)
    dataD = import_data(dataD)
    subplot(A, dataA, "Inversion error rate", "Accuracy", xlim=.5)
    subplot(B, dataB, "Translocation error rate", "Accuracy", xlim=.5,
                      legend=("intra-chromosomal", "inter-chromosomal",
                              "75\% intra + 25\% inter"))
    subplot(C, dataC, "Number of input maps", "Accuracy", xcast=int)
    subplot(D, dataD, "Number of input maps", "Accuracy", xcast=int)

    labels = ((.03, .97, "A"), (.53, .97, "B"),
              (.03, .47, "C"), (.53, .47, "D"))
    panel_labels(root, labels)

    normalize_axes(root)
    image_name = "simulation." % iopts.format
    savefig(image_name, dpi=iopts.dpi, iopts=iopts)
dataset/ETHPy150Open tanghaibao/jcvi/projects/allmaps.py/simulation/operator `+` -> `%`