I just learned of a website that analyzes a sample of your writing to tell you which famous writer you write like. Supposedly it analyzes "your word choice and writing style" to make the comparison.
I have no idea how much effort the creators put into making it scientific, but it's definitely fun. A chapter from my last book in which I wax philosophical about pudding shakers was compared to the work of Agatha Christie. A sappy column I wrote after Vonnegut died scored me a Stephen King comparison. And two paragraphs from my brand-new book (which I just got in the mail today!) was written in the style of Charles Dickens.
But here's the funny thing: The book is called "It Was the Best of Sentences, It Was the Worst of Sentences" -- a play on Dickens! And, no, the excerpt did not include those words or any other Dickens stuff. Spooky.
Here's the site: http://iwl.me/