="co">#&#39; @param abundance named numeric vector of abundances in the previous timestep.</span></span>
<span id="cb6-11"><a href="#cb6-11" aria-hidden="true" tabindex="-1"></a><span class="co">#&#39; @param covariates matrix with observations in rows and covariates in named columns. </span></span>
<span id="cb6-12"><a href="#cb6-12" aria-hidden="true" tabindex="-1"></a><span class="co">#&#39; Each cell is the value of a covariate in a given observation.</span></span>
<span id="cb6-13"><a href="#cb6-13" ar