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terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="expected-degree-sequence"> <span id="graph-expected-degree-sequence"></span><h1>Expected Degree Sequence<a class="headerlink" href="#expected-degree-sequence" title="Permalink to this headline">ΒΆ</a></h1> <p>[<a class="reference external" href="../../_static/examples/expected_degree_sequence.py">source code</a>]</p> <div class="highlight-python"><div class="highlight"><pre><span class="c">#!/usr/bin/env python</span> <span class="sd">"""</span> <span class="sd">Random graph from given degree sequence.</span> <span class="sd">"""</span> <span class="n">__author__</span> <span class="o">=</span> <span class="s">"""Aric Hagberg (hagberg@lanl.gov)"""</span> <span class="c"># Copyright (C) 2006 by</span> <span class="c"># Aric Hagberg <hagberg@lanl.gov></span> <span class="c"># Dan Schult <dschult@colgate.edu></span> <span class="c"># Pieter Swart <swart@lanl.gov></span> <span class="c"># All rights reserved.</span> <span class="c"># BSD license.</span> <span class="kn">from</span> <span class="nn">networkx</span> <span class="kn">import</span> <span class="o">*</span> <span class="kn">from</span> <span class="nn">networkx.generators.degree_seq</span> <span class="kn">import</span> <span class="o">*</span> <span class="c"># make a random graph of 500 nodes with expected degrees of 50</span> <span class="n">n</span><span class="o">=</span><span class="mi">500</span> <span class="c"># n nodes</span> <span class="n">p</span><span class="o">=</span><span class="mf">0.1</span> <span class="n">w</span><span class="o">=</span><span class="p">[</span><span class="n">p</span><span class="o">*</span><span class="n">n</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">n</span><span class="p">)]</span> <span class="c"># w = p*n for all nodes</span> <span class="n">G</span><span class="o">=</span><span class="n">expected_degree_graph</span><span class="p">(</span><span class="n">w</span><span class="p">)</span> <span class="c"># configuration model</span> <span class="k">print</span><span class="p">(</span><span class="s">"Degree histogram"</span><span class="p">)</span> <span class="k">print</span><span class="p">(</span><span class="s">"degree (#nodes) ****"</span><span class="p">)</span> <span class="n">dh</span><span class="o">=</span><span class="n">degree_histogram</span><span class="p">(</span><span class="n">G</span><span class="p">)</span> <span class="n">low</span><span class="o">=</span><span class="nb">min</span><span class="p">(</span><span class="n">degree</span><span class="p">(</span><span class="n">G</span><span class="p">))</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">low</span><span class="p">,</span><span class="nb">len</span><span class="p">(</span><span class="n">dh</span><span class="p">)):</span> <span class="n">bar</span><span class="o">=</span><span class="s">''</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">dh</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">*</span><span class="p">[</span><span class="s">'*'</span><span class="p">])</span> <span class="k">print</span><span class="p">(</span><span class="s">"</span><span class="si">%2s</span><span class="s"> (</span><span class="si">%2s</span><span class="s">) </span><span class="si">%s</span><span class="s">"</span><span class="o">%</span><span class="p">(</span><span class="n">i</span><span class="p">,</span><span class="n">dh</span><span class="p">[</span><span class="n">i</span><span class="p">],</span><span class="n">bar</span><span class="p">))</span> </pre></div> </div> </div> </div> </div> </div> <div class="clearer"></div> </div> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="football.html" title="Football" >next</a> |</li> <li class="right" > <a href="erdos_renyi.html" title="Erdos Renyi" >previous</a> |</li> <li><a href="http://networkx.github.com/">NetworkX Home </a> | </li> <li><a href="http://networkx.github.com/documentation.html">Documentation </a>| </li> <li><a href="http://networkx.github.com/download.html">Download </a> | </li> <li><a href="http://github.com/networkx">Developer (Github)</a></li> <li><a href="../index.html" >NetworkX Examples</a> »</li> <li><a href="index.html" >Graph</a> 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