class="op">$</span><span class="va">citation</span> <span class="op">&lt;-</span> <span class="st">"Arslan (2016). Mock BFI data."</span></span></span>
<span class="r-in"><span><span class="fu">metadata</span><span class="op">(</span><span class="va">bfi</span><span class="op">)</span><span class="op">$</span><span class="va">url</span> <span class="op">&lt;-</span></span></span>
<span class="r-in"><span>  <span class="st">"https://rubenarslan.github.io/codebook/articles/codebook.html"</span></span></span>
