   1    200     200    1.72  0.218  </span></span>
<span><span class="co">## Residuals 10   1162     116                 </span></span>
<span><span class="co">## ---</span></span>
<span><span class="co">## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1</span></span></code></pre>
<p>Regression of IQ on the orthogonalized variables in
<code>Z</code></p>
<div class="sourceCode" id="cb24"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">mod2</span> <span class