span class="fu"><a href="https://rdrr.io/r/base/nrow.html" class="external-link">nrow</a></span><span class="op">(</span><span class="va">etas_UK_2000</span><span class="op">)</span><span class="op">)</span><span class="op">)</span> <span class="op">+</span> </span>
<span>  <span class="fu">guides</span><span class="op">(</span>fill <span class="op">=</span> <span class="cn">FALSE</span>, colour <span class="op">=</span> <span class="cn">FALSE</span><span class="op">)</span> <span class="op">+</span></span>