How To Exclude Some Numbers From A List

import networkx as nx import numpy as np import random from networkx.utils import powerlaw_sequence W=powerlaw_sequence(100,exponent=2.5) random.choice(W) What if I want the nu

Solution 1:

I don't know numpy, so perhaps there is another possible solution, but the following should work:

W = [x for x in powerlaw_sequence(100,exponent=2.5) if x != 0]

However, this reduces the length of W by the number of elements that are filtered out because of the condition x != 0.

Solution 2:

Maybe you are looking for a Zipf sequence?

In [1]: import networkx as nx

In [2]: nx.utils.zipf_sequence(10,alpha=2.5)
Out[2]: [1, 1, 1, 2, 1, 2, 1, 1, 1, 8]

http://networkx.lanl.gov/reference/generated/networkx.utils.random_sequence.zipf_sequence.html#networkx.utils.random_sequence.zipf_sequence