title: What is your favorite R debugging trick?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/4442518/general-suggestions-for-debugging-r">General suggestions for debugging R?</a>  </p>
  </blockquote>
  
  
  
  <p>I've recently started using <code>browser()</code> in function definitions for debugging (a great tool!). I feel like <code>print()</code> debugging has been slowing my learning curve of built-in debugging tools. What are some others I've been missing?</p>