pedWorks.py 文件源码

def degree_histogram(pedgraph):
    """Return a list of the frequency of each degree value.

    Parameters
    ----------
    pedgraph : Networkx graph
       A graph

    Notes
    -----
    Note: the bins are width one, hence len(list) can be large
    (Order(number_of_edges))
    """
    degree_sequence = sorted(nx.degree(pedgraph).values(), reverse=True)  # degree sequence
    # print "Degree sequence", degree_sequence
    dmax = max(degree_sequence)

    plt.loglog(degree_sequence, 'b-', marker='o', markersize=5, markerfacecolor='#FF8C00', antialiased=True,
               color='#000000')
    plt.title("(out)Degree Rank Plot")
    plt.ylabel("(out)Degree")
    plt.xlabel("Rank")

    print "\t   >  Degree histogram plot created in ~/dgRankPlot.png"
    plt.savefig("dgRankPlot.png")
    #plt.show()