an class="kw"><a href="../reference/cplot.html">cplot</a></span>(x, <span class="st">"wt"</span>, <span class="dt">what =</span> <span class="st">"prediction"</span>, <span class="dt">main =</span> <span class="st">"Predicted Fuel Economy, Given Weight"</span>)</code></pre></div>
<p><img src="Introduction_files/figure-html/unnamed-chunk-11-1.png" width="700"></p>
<div class="sourceCode"><pre class="sourceCode r"><code class="sourceCode r"><span class="kw"><a href="../reference/cplot.html">cplot</a></span>(x