s="st"> </span><span class="dv">0</span>,], 
      <span class="dt">col =</span> <span class="st">"red"</span>, <span class="dt">se.type =</span> <span class="st">"shade"</span>,
      <span class="dt">xlim =</span> <span class="kw">range</span>(mtcars[[<span class="st">"wt"</span>]]), <span class="dt">ylim =</span> <span class="kw">c</span>(<span class="op">-</span><span class="dv">20</span>, <span class="dv">20</span>), 
      <span class="dt">main =</span> <span class="st">"AME of Weight on Fuel Economy"