er="33"></a>
<a class="sourceLine" id="cb4-34" data-line-number="34"><span class="co">## get top medium referrer</span></a>
<a class="sourceLine" id="cb4-35" data-line-number="35">top_ref &lt;-<span class="st"> </span><span class="kw"><a href="https://rdrr.io/r/base/paste.html">paste</a></span>(gadata[<span class="kw"><a href="https://rdrr.io/r/base/order.html">order</a></span>(gadata<span class="op">$</span>sessions, <span class="dt">decreasing =</span> <span class="ot">TRUE</span>),][<span class="dv">1</s