e_cross</span><span class="op">(</span></span>
<span>  <span class="va">data1</span>,</span>
<span>  <span class="va">data2</span>,</span>
<span>  inter_var <span class="op">=</span> <span class="st">"Genes"</span>,</span>
<span>  left_index <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  right_index <span class="op">=</span> <span class="cn">TRUE</span></span>
<span><span class="op">)</span></span></code></pre></div>
    </div>

    <div class="section level2">
    <h2 id="