</span><span class="o">)</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1">// get your data from somewhere
</span></span></span><span class="line"><span class="cl"><span class="c1"></span><span class="k">val</span> <span class="n">visits</span><span class="k">:</span> <span class="kt">DataSet</span><span class="o">[</span><span class="kt">PageVisit</span><span class="o">]</span> <span class="k">=</span> <span class="o">...</span>
</s