OAS        SPRU 
##  0.32577742  0.07225904  0.44095580 -0.30942085</code></pre>
<p><strong>Fitting several species at once</strong></p>
<p>Most likely users will want to fit model parameters to data from two or more focal species. In order to do that with a single call, we provide the function <code>cxr_pm_multifit</code>, which has a very similar interface to <code>cxr_pm_fit</code>. Here we show how multiple species can be fit using this function. For this multispecies case, rows correspond to species i 