">mutate</a></span><span class="op">(</span>work <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/paste.html" class="external-link">paste</a></span><span class="op">(</span><span class="st">"http://publications.europa.eu/resource/cellar/"</span>, <span class="va">work</span>, sep <span class="op">=</span> <span class="st">""</span><span class="op">)</span><span class="op">)</span> <span class="op">|&gt;</span> </span>
<span>  <span class="fu"><a href="https://dplyr.tidyverse.org/re