title: How do you round digits for labels on a barplot chart in ggplot2?
body: <p>I want to round to 2 digits my labels in the bars.</p>
  
  <pre><code>labs(x="Emisora", y="Rend. pot. 2019") +
    geom_text(aes(label=upside), position=position_dodge(width=0.9), vjust=-0.25) +
    theme(axis.text=element_text(size=10),
          axis.title=element_text(size=10, face="bold")) +
  </code></pre>
  
  <p>My labeles has 9 digits, like 23.945678909 and I want 23.95 or 23.96</p>
  
  <p><a href="https://i.stack.imgur.com/NpdhB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/NpdhB.png" alt="enter image description here"></a></p>