d="cb4-25"><a href="#cb4-25" tabindex="-1"></a><span class="co"># df_mutation &lt;- exampleMutation</span></span>
<span id="cb4-26"><a href="#cb4-26" tabindex="-1"></a><span class="co"># df_bam &lt;- exampleBam</span></span>
<span id="cb4-27"><a href="#cb4-27" tabindex="-1"></a></span>
<span id="cb4-28"><a href="#cb4-28" tabindex="-1"></a><span class="co"># load genomic sequence</span></span>
<span id="cb4-29"><a href="#cb4-29" tabindex="-1"></a>ref_genome <span class="ot">&lt;-</span> <span class="fu">fun_