Ranking TV Shows That Got Canceled
You can't use future events (# ratings on IMDb <i>10 years later</i>) to determine what someone "should" have done.<p>IMDb ratings in general follow a four point scale (<a href="http://tvtropes.org/pmwiki/pmwiki.php/Main/FourPointScale" rel="nofollow">http://tvtropes.org/pmwiki/pmwiki.php/Main/FourPointScale</a>) 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.