se</code></a> or in custom
functions can be passed directly to <a href="../reference/gmse_apply.html"><code>gmse_apply</code></a>, thereby
allowing for high flexibility in model specification. For example, a
simple logistic growth function can be integrated as a resource
sub-model to replace the default <code>resource</code> function.</p>
<div class="sourceCode" id="cb4"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span class="va">logistic_res_mod</span> <span class="op">&lt;-</span> <span