n class="op">)</span></span></span>
<span class="r-plt img"><img src="expand_limits-4.png" alt="" width="700" height="433"></span>
<span class="r-in"><span><span class="fu"><a href="ggplot.html">ggplot</a></span><span class="op">(</span><span class="va">mtcars</span>, <span class="fu"><a href="aes.html">aes</a></span><span class="op">(</span><span class="va">mpg</span>, <span class="va">wt</span><span class="op">)</span><span class="op">)</span> <span class="op">+</span></span></span>
<span class="r-in"><sp