ear Regressions
</p>
<h4 class="subsubheading" id="Description-3"><span>Description<a class="copiable-link" href="#Description-3"> &para;</a></span></h4>

<p>Four sets of x/y pairs which have the same statistical properties, but are
very different.
</p>
<h4 class="subsubheading" id="Format-1"><span>Format<a class="copiable-link" href="#Format-1"> &para;</a></span></h4>

<p>The data comes in an array of 4 structs, each with fields as follows:
</p>
<dl class="table">
<dt><code class="code">x</code></dt>
<dd><