an>
<span class="va">estimates</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://Rdatatable.gitlab.io/data.table/reference/data.table.html">data.table</a></span><span class="op">(</span>mu <span class="op">=</span> <span class="fu">map_dbl</span><span class="op">(</span><span class="va">noise</span>, <span class="va">mean</span><span class="op">)</span>, sigma <span class="op">=</span> <span class="fu">map_dbl</span><span class="op">(</span><span class="va">noise</span>, <span class="va