title: Start plotting at y-axis in R
body: <p>I'm drawing a ROC curve and R is putting to much space between the curve and the plot border. I want values at x = 0 to touch the y-axis and points at y = 1 to touch the upper border of the plot.</p>
  
  <p>This image shows exactly how I want it:</p>
  
  <p><a href="http://en.wikipedia.org/wiki/File:Roccurves.png" rel="nofollow">http://en.wikipedia.org/wiki/File:Roccurves.png</a></p>
  
  <p>Anyone got any idea?</p>