row</span>(salinity[[<span class="dv">1</span>]])</a></code></pre></div>
<pre><code>## [1] 287</code></pre>
<p>And we fit the model as above, but using the <code>cxr_pm_multifit</code> function.</p>
<div class="sourceCode" id="cb26"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb26-1" title="1">fit_3sp &lt;-<span class="st"> </span><span class="kw">cxr_pm_multifit</span>(<span class="dt">data =</span> obs_3sp,</a>
<a class="sourceLine" id="cb26-2" title="2">                