e> implement
some of the standard influence measures in these terms for the general
cases of multivariate linear models and deletion of subsets of size
<code>m&gt;1</code>, but they are only included here for experimental purposes.</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">Jdet</span><span class="op">(</span><span class="va">H