title: Error installing rattle package in Mac
body: <p>I am trying to install <code>rattle</code> package in <code>RStudio</code> on my Mac but I am getting the following error. </p>
  
  <p>The error is <strong>GTK version 2.8.0 required</strong>. I tried to install <code>Gtk</code> via <code>Homebrew</code> but still the same problem.</p>
  
  <p>What am I missing?</p>
  
  <p><a href="https://i.stack.imgur.com/k0J5R.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/k0J5R.png" alt="enter image description here"></a></p>