Ranking TV Shows That Got Canceled
You can't use future events (# ratings on IMDb 10 years later) to determine what someone "should" have done.IMDb ratings in general follow a four point scale (http://tvtropes.org/pmwiki/pmwiki.php/Main/FourPointScale) and are also skewed toward the internet-savvy demographic. It's a good example of a homogeneous population and the problems that can cause for data analysis.