title: Is there a way to change the spacing between legend items in ggplot2?
body: <p>Is there a way to change the spacing between legend items in ggplot2? I currently have</p>
  
  <pre><code>legend.position ="top" 
  </code></pre>
  
  <p>which automatically produces a horizontal legend. However, the spacing of the items is very close together and I am wondering how to space them farther apart.</p>