n class="st">"AFR_3"</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>                              eur <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"EUR_1"</span>, <span class="st">"EUR_2"</span><span class="op">)</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;"># A 