s">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>


<dl><dt id="arg-data">data<a class="anchor" aria-label="anchor" href="#arg-data"></a></dt>
<dd><p>A data frame with at least four columns. In the default setting
(i.e. omitting the arguments <code>x</code>, <code>y</code>, <code>seas</code>, and <code>thresh</code>;
see immediately below), the data set is expected to have the headers <code>t</code>,
<code>temp</code>, <code>seas</code>, and <code>thresh</code>. The <code>t</code