[igraph] degree distribution

[四正（红砖）]

Hi folks,

I'm using igraph in python.

the function degree_distribution returns a instance of Histogram.

How can I see the individual values in it, please?

It always says "TypeError: 'float' object cannot be interpreted as an integer" when I call some functions such as to_string(). I think it is because the values of degree distribution is probabilities in float.

Thanks a lot.

Gang

[Tamás Nepusz]

Hi,

There was a bug in the Histogram class that has been fixed recently; basically, the __len__ method returned a float value incorrectly instead of an integer. The fix involves simply replacing one line in igraph/statistics.py:

https://github.com/igraph/igraph/commit/73b5234

This should solve your problem. Alternatively, you can stop using the degree_distribution() method and do this instead:

from collections import Counter
dd = Counter()
for d in g.degrees():
dd[d] += 1

Then you can simply use the methods of the standard Python Counter class to query the values in the degree distribution.

--
T.

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