title: How do you delete the current (but not all) plots in the RStudio plotting device?
body: <p>How do you delete the current (but not all) plots in the RStudio plotting device?</p>
  
  <p><code>dev.off()</code> will remove all plots, but what if I just want to remove one? I don't want to have to press that red 'x' button because I want to remove one plot without pressing a button.</p>