title: ggplot2: How to adjust spacing between plot area and axis text
body: <p>How do I adjust (increase or decrease) space between the axis text (numbers) and the plot area (grey area)?</p>
  
  <pre><code>dfr &lt;- data.frame(x=1:5,y=1:5)
  ggplot(dfr,aes(x,y))+
    geom_point()+
    theme(axis.title=element_blank(),
          axis.ticks=element_blank())
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/mAEC3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/mAEC3.png" alt="fig"></a></p>