">+</span><span class="va">Days</span><span class="op">|</span><span class="va">Group</span><span class="op">)</span>, data<span class="op">=</span><span class="va">ss1</span>, </span></span>
<span class="r-in"><span>                   weights<span class="op">=</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">"W1"</span>, <span class="st">"W2"</span>, <span class="st">"W3"</span><span class="op">)</span><span class="op