<span class="va">cneg</span>, data<span class="op">=</span><span class="fu"><a href="https://wviechtb.github.io/metadat/reference/dat.bcg.html" class="external-link">dat.bcg</a></span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co">### fit random-effects model</span></span></span>
<span class="r-in"><span><span class="va">res</span> <span class="op">&lt;-</span> <span class="fu"><a href="rma.uni.html">rma</a></span><span class="op">(<