ss="s1">&#39;fck_r&#39;</span><span class="p">,</span><span class="s1">&#39;eroll&#39;</span><span class="p">]</span>
<span class="n">matrix</span> <span class="o">=</span> <span class="n">gb</span><span class="o">.</span><span class="n">statistics</span><span class="o">.</span><span class="n">calculate_walker_matrix</span><span class="p">(</span><span class="n">game_measures</span><span class="p">,</span> <span class="n">labels</span><span class="p">,</span> <span class="n">measure</span><span class="o">=<