u'>select_components</span>(<span class='no'>toy_btdata</span>, <span class='st'>"3"</span>, <span class='kw'>return_graph</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)</div><div class='output co'>#&gt; <span class='warning'>Warning: There needs to be a graph component in btdata to return a graph here</span></div><div class='output co'>#&gt; $wins
#&gt; 4 x 4 sparse Matrix of class "dgCMatrix"
#&gt;        player2
#&gt; player1 Amy Ben Cyd Dan
#&gt;     Amy .   0.5   .   2
#&gt;     Ben 0.5