"value">
    <h2>Value</h2>
    

<p>A data frame with two columns: x and y.</p>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="co"># There is no example</span></span></span>
<span class="r-in"><span><span class="cn">NULL</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> NULL</span>
<span class="r-in"><span></span></span>
</code></pre></div>
    </div>
  </div>
  <div cl