def p3(): plot(in_degree_distribution(DPA_graph(27770, 14), normalized=True))
def p2(): plot(in_degree_distribution(ER_graph(2000, 0.8), normalized=True))
def p1(): plot(in_degree_distribution(load_graph("alg_phys-cite.txt"), normalized=True))
def p1(): plot( in_degree_distribution(load_graph("alg_phys-cite.txt"), normalized=True))