[igraph] Strange pagerank values

[Krishna Sandeep Reddy Dubba]

Hi all,

I am trying to compute pagerank for a graph and I am getting strange values for pagerank. to my knowledge, the page rank values should be between 0 and 1 but i get very large or very small number (> 1 and < 0). I attach the .gml file and here is the output. Please let me know what I am doing wrong or is this graph some strange special case?

In [4]: import igraph
In [5]: g = igraph.read(f)
In [6]: pr = g.pagerank()
In [7]: pr
Out[7]: 
[1323658113126271.8,
-264731622625256.4,
-264731622625256.44,
-264731622625256.44,
264731622625252.84,
-264731622625256.4,
264731622625252.94,
-264731622625256.44,
-264731622625254.56,
264731622625252.78,
-1588389735751520.0,
4500437584629358.5,
-264731622625254.47,
-264731622625254.53,
-264731622625254.5,
264731622625252.8,
-264731622625256.4,
-264731622625256.47,
-529463245250509.7,
264731622625253.78,
-264731622625256.34,
-264731622625256.34,
-264731622625256.4,
-264731622625256.44,
-264731622625256.47,
-264731622625256.4,
-264731622625256.44,
-264731622625256.44]

Thanks,

dksr

A0043022_50052754.gml
Description: Binary data