Dear all,
I need to generate instances of random directed graphs where both out
and in degree distributions can be tuned (provided they have the same
average values, of course). I think that the C function
igraph_degree_sequence_game() could serve my purpose but can you suggest
a robust and efficient algorithm for generating the content of the
out_deg and in_deg vectors to provide as arguments to
igraph_degree_sequence_game()? My question arises since the length and
sum of out_deg and in_deg must match for directed graphs; a
straightforward algorithm that samples from the two distributions and
then checks for equality of sums might take too long to terminate.
Thank you in advance
Ciao
Rossano
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