33</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> No survey area information supplied, only estimating detection function.</span>
<span class="r-in"><span> <span class="va">mod1</span> <span class="op">&lt;-</span> <span class="fu"><a href="dsm.html">dsm</a></span><span class="op">(</span><span class="va">count</span><span class="op">~</span><span class="fu"><a href="https://rdrr.io/pkg/mgcv/man/s.html" class="external-link">s</a></span><span class="op">(</span><span class="va">x</span>,<span