ist"  </div><div class='input'><span class='fu'>select_components</span>(<span class='no'>toy_btdata</span>, <span class='fu'>c</span>(<span class='fl'>FALSE</span>, <span class='fl'>FALSE</span>, <span class='fl'>TRUE</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 .     .   1
#&gt;     Cyd 2.0 .     .   .
#&gt;     Dan .   1.0   1   .
#&gt; 
#&gt; $components
#