There's a lovely site called I Write Like that lets you see who you write like.
I fed it a big chunk of blog writing (my essay on Reagan, which seemed like a long enough sample) and let it happily chew on it and it turns out that my political writing analyzes like George Orwell.
But that's for non-fiction writing. I fed it a chunk of my second novel and I got this:
I could do worse than writing fiction like Salinger. My plotting isn't a patch on his, though. Better stick to the non-fiction for now....