-pr">#&gt;</span> </span>
<span class="r-in"><span><span class="fu">query_model</span><span class="op">(</span><span class="va">model</span>,</span></span>
<span class="r-in"><span>  <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span><span class="st">"Y[X=1] - Y[X = 0]"</span>,</span></span>
<span class="r-in"><span>       <span class="st">"Y[X=1] - Y[X = 0] :|: X==1 &amp; Y==1"</span><span class="op">)</span>,</span></span>
<span class=