les</span><span class="op">==</span><span class="st">"Units"</span>,</span>
<span>         <span class="va">`Origin of manufacture`</span><span class="op">==</span><span class="st">"Total, country of manufacture"</span>,</span>
<span>         <span class="va">`Vehicle type`</span> <span class="op"><a href="https://rdrr.io/r/base/match.html" class="external-link">%in%</a></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