</span>, <span class='fl'>0.65</span>, <span class='kw'>prob_eff</span> <span class='kw'>=</span> <span class='fl'>0.7</span>, <span class='kw'>prob_tox</span> <span class='kw'>=</span> <span class='fl'>0.25</span>)
<span class='fu'><a href='https://rdrr.io/r/base/Round.html'>round</a></span>(<span class='no'>u</span>, <span class='fl'>4</span>) <span class='kw'>==</span> <span class='fl'>0</span></div><div class='output co'>#&gt; [1] TRUE</div><div class='input'>
<span class='no'>u</span> <span class='kw'>