ase/sample.html" class="external-link">sample</a></span><span class="op">(</span><span class="va">dat</span>, size <span class="op">=</span> <span class="va">N</span>, replace <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></span>
<span class="r-in"><span>    <span class="fu"><a href="https://rdrr.io/r/base/data.frame.html" class="external-link">data.frame</a></span><span class="op">(</span></span></span>
<span class="r-in"><span>      M <span class="op">=</span> <span