title: How to manually increase spacing between two specific boxes within a grouped box plot in R?
body: <p>Is there a way to increase the spacing between the yellow and red boxes within this box plot?</p>
  
  <pre><code>set.seed(40)
  df &lt;- data.frame(
    Outcome = runif(60), 
    Fruit = rep(1:3, each = 10), 
    Freshness = rep(c(0, 0.5), each = 30), 
    Farm = factor(rep(c("A", "B"), each = 5))
  ) %&gt;% 
    transform(
    Outcome = Outcome*Fruit+Freshness, 
    Fruit = as.factor(Fruit), 
    Freshness = as.factor(Freshness)
  )
  
  ggplot(data = df, aes(Farm, Outcome, col = Freshness, fill = Fruit)) + 
    geom_boxplot() + 
    scale_color_manual(values = c("lightslategrey", "black"), labels = c("Stale", "Fresh")) + 
    scale_fill_manual(values = c("red", "orange", "yellow"), labels = c("Apples", "Oranges", "Bananas"))
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/WscdL.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/WscdL.png" alt="enter image description here"></a></p>
  
  <p>I want to increase the spacing (or put a gap) between the "Freshness" color groups within each "Farm" group, but not so much that the boxes would be as separated as the "Farm" groups. That is, I only want to increase the spacing between yellow and red boxes to emphasize the difference between "Freshness" groups.</p>
  
  <p>The "Fruit" groups would still maintain their distance between boxes within the group. That is, the neighboring red, orange, and yellow boxes will remain close together.</p>