ly. Since we are only interested in the half maximal effective concentration, we choose XX50 as our endpoint. As an aggregation method we choose the geometric mean.</p>
<div class="sourceCode" id="cb7"><pre class="r"><span class="fu"><a href="https://rdrr.io/r/base/library.html">require</a></span>(<span class="no">standartox</span>)
<span class="no">l2</span> <span class="kw">=</span> <span class="fu"><a href="reference/stx_query.html">stx_query</a></span>(<span class="kw">concentration_type</span> <span cl