Excuse the plugging of my own wares, but by coincidence I did some analysis the other day of the disparity between User/Critic ratings of movies on RottenTomatoes:
http://benjaminlmoore.wordpress.com/2014/05/05/what-are-the-...Example: "Spy Kids" got a 93% fresh rating from critics, but 45% from audience ratings.
Code attached should you want to investigate for yourself.