Commit 014d0529 authored by Tiago Peixoto's avatar Tiago Peixoto

Small modifications in the quick start guide

parent 7e6968aa
......@@ -57,9 +57,10 @@ for i in xrange(1, N):
in_hist = vertex_hist(g, "in")
clf()
errorbar(in_hist[1], in_hist[0], fmt=".", yerr=sqrt(in_hist[0]))
errorbar(in_hist[1], in_hist[0], fmt="o", yerr=sqrt(in_hist[0]), label="in")
gca().set_yscale("log")
gca().set_xscale("log")
legend(loc="best")
xlabel("$k_{in}$")
ylabel("$P(k_{in})$")
savefig("deg-hist.png")
......
......@@ -334,5 +334,21 @@ An Example: Building a Price Network
Nowhere else to go... We found the main hub!
.. image:: deg-hist.png
.. figure:: deg-hist.png
:align: center
In-degree distribution of a price network with 100000 nodes.
We can draw the graph to see some other features of its topology. For that we
use the :func:`~graph_tool.draw.graph_draw` function.
.. testcode::
g = load_graph("price.xml.gz")
g.remove_vertex_if(lambda v: g.vertex_index[v] >= 1000)
gt.graph_draw(g, output="price.png")
.. figure:: price.png
:align: center
First 1000 nodes of a price network.
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