or" aria-label="anchor" href="#arg-formula"></a></dt>
<dd><p>An object of class "formula", with discharge column name as response and stage column name as a covariate.</p></dd>


<dt id="arg-data">data<a class="anchor" aria-label="anchor" href="#arg-data"></a></dt>
<dd><p>A data.frame containing the variables specified in formula.</p></dd>


<dt id="arg-model-list">model_list<a class="anchor" aria-label="anchor" href="#arg-model-list"></a></dt>
<dd><p>A list of exactly four model objects of types "plm0","pl