 the model code more readable if the
prediction is defined as a long equation.</p>
</div>

<div class="section">
<h3 id="observation-names">Observation names<a class="anchor" aria-label="anchor" href="#observation-names"></a></h3>


<p>The observation name can be specified via the <code>name=</code> argument and is
automatically derived if the argument is left empty. Adding an
observation model with an already existing name will replace the
previous definition.</p>
</div>

<div class="section">
<h3 id="erro