If you'd like to see more analyses, I gave a short talk about analyzing IMDB data with R and Perl a few years ago. Here are the slides:

http://community.moertel.com/~thor/talks/pgh-pm-perl-and-r.p...

A blog post on the topic:

http://blog.moertel.com/posts/2006-01-17-mining-gold-from-th...