="r-in"><span><span class="co"># 4. Set left_index = TRUE, right_index = FALSE</span></span></span>
<span class="r-in"><span><span class="va">res</span> <span class="op">&lt;-</span> <span class="fu">table_cross</span><span class="op">(</span><span class="va">gene_expression2</span>, <span class="va">gene_go_kegg</span>,</span></span>
<span class="r-in"><span>inter_var <span class="op">=</span> <span class="st">"Genes"</span>, left_index <span class="op">=</span> <span class="cn">TRUE</span>, right_index 