 sure the user can run
the model:</p>
<ul>
<li>
<code>required_columns</code> - Specification of which columns the
data will fetch. It will fail if they are not present.</li>
<li>
<code>required_packages</code> - The packages the end user needs to
have installed to run your functions.</li>
<li>
<code>description</code> - A sentence on what the model is so they
can be distinguished.</li>
</ul>
<p>To create the decomposition example model, this was applied as shown
below:</p>
<div class="sourceCode" id="cb10"