, <span class="va">n</span>, <span class="va">p</span>, <span class="va">r</span>, <span class="va">m</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">COVRATIO</span><span class="op">(</span><span class="va">H</span>, <span class="va">Q</span>, <span class="va">n</span>, <span class="va">p</span>, <span class="va">r</span>, <span class="va">m</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">DFFITS</span><span class="op">(</span><span class="va">H</span>,