="va">owls_nb1_bs</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/stats/update.html" class="external-link">update</a></span><span class="op">(</span><span class="va">owls_nb1</span>,</span></span>
<span class="r-in"><span>                      <span class="va">.</span> <span class="op">~</span> <span class="va">.</span> <span class="op">-</span> <span class="fu"><a href="https://rdrr.io/r/stats/offset.html" class="external-link">offset</a></span><span class="op">(</span><spa