ecting all the variables with "."</span></span></span>
<span class="r-in"><span><span class="fu">did_means</span><span class="op">(</span><span class="va">.</span><span class="op">~</span><span class="va">treat</span><span class="op">|</span><span class="va">post</span>, <span class="va">base_did</span>, indiv <span class="op">=</span> <span class="st">"id"</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>            vars    cond: 1     cond: 0 Difference t