Hi, I am not sure what exactly you expect us to do? The 3 exponent is only true in the infinite limit, and also, you need to allow multiple and loop edges, AFAIK. If I remember well this was proven by Fan Chung et al.
Gabor On Fri, Jun 13, 2014 at 4:12 PM, Guilherme Ferraz de Arruda <gui.f.arr...@gmail.com> wrote: > Hi, > I am using the igraph library in C to generate Barabasi-Albert (the original > model) networks that behaves as P(k) ~ k^(gamma), however when I tried to > measure the gamma parameter (using > http://tuvalu.santafe.edu/~aaronc/powerlaws/) but the estimated values are > around 2.3~2.4 when the expected values should be near 3. > > I am using the following code: > igraph_barabasi_game ( &graph, N, 1, m, 0, 0, 1, IGRAPH_UNDIRECTED, > IGRAPH_BARABASI_PSUMTREE,0 ); > for N =4000 and m=4. > > Thanks in advance. > > Guilherme. > > > _______________________________________________ > igraph-help mailing list > igraph-help@nongnu.org > https://lists.nongnu.org/mailman/listinfo/igraph-help > _______________________________________________ igraph-help mailing list igraph-help@nongnu.org https://lists.nongnu.org/mailman/listinfo/igraph-help
