></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">rfm_plot_histogram</span><span class="op">(</span></span>
<span>  <span class="va">rfm_table</span>,</span>
<span>  metric <span class="op">=</span> <span class="st">"recency"</span>,</span>
<span>  hist_bins <span class="op">=</span> <span class="fl">9</span>,</span>
<span>  hist_color <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  plot_title <span class="op">=</span> <span class="cn">NULL</spa