tiles</span>() <span class='kw'>%&gt;%</span>
      <span class='fu'>addMarkers</span>(<span class='kw'>data</span> <span class='kw'>=</span> <span class='no'>quakes</span>[<span class='fl'>1</span>:<span class='fl'>20</span>, ])
<span class='co'># }</span></pre>
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    <h2>Contents</h2>
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      <li><a href="#arguments">Arguments</a></li>
      
      <li><a href="#value">Value</a></li>
      
      <li>