ass="va">f</span> <span class="op"><a href="pipe.html">%&gt;%</a></span></span></span>
<span class="r-in"><span>  <span class="fu"><a href="https://dplyr.tidyverse.org/reference/filter.html" class="external-link">filter</a></span><span class="op">(</span><span class="va">year0</span> <span class="op">==</span> <span class="fl">1990</span><span class="op">)</span> <span class="op"><a href="pipe.html">%&gt;%</a></span></span></span>
<span class="r-in"><span>  <span class="fu">sum_lump</span><span class="op">(