ibrary</a></span><span class="op">(</span><span class="va"><a href="https://tidyverse.tidyverse.org">tidyverse</a></span><span class="op">)</span></code></pre></div>
<pre class="sourceCode r"><code class="sourceCode R">```</code></pre>
</div>

</div>
<script>

/* update total correct if #webex-total_correct exists */
update_total_correct = function() {
  console.log("webex: update total_correct");

  if (t = document.getElementById("webex-total_correct")) {
    var correct = document.getElementsByClassName(