Got this from Lisa Yee's blog. If you put in a sample of writing, the gender genie will tell if the author is male or female. Since I write from male or female POV's, I decided to use my novels. One novel is written with a female voice and sure enough, the gender genie predicted a female author. But when I put my male POV novel piece, the gender genie predicted MALE! YES! Tee hee!
Give it a try!