Quote Originally Posted by The Bean Counter View Post
I think you can narrow down a villain's tendencies fairly well after 15 hands though. Somebody showing 36/14 at 5nl is unlikely to be a nit, tag or lag for instance and unlikely to be competent, just like a 0/0 over 26 hands is unlikely to be lag, loose passive or completely incompetent.

The key is using the information at hand to make a better decision, rather than disregarding everything because of sample size.
This guy gets it. If you are waiting to have even 50 hands at 2NL to start making assumptions you might as well play completely HUDless.