Joe Petviashvili

“Markovian models -- specifically, hidden Markov Models -- are also related to our old friend, Bayesian spam filtering. They're even better!”

“100% Kelly strategy marks the boundary between aggressive and insane investing”

When I grew up I read the Feynman Lectures on Physics, and discovered a gem called 'the wave equation'. I thought about that equation, on and off for three days, until I saw to my satisfaction it was dumbfoundingly simple. more...

Dear Overcoming Bias, are there biases I can exploit to be seen as generous without actually spending lots of money? I'm glad to report the answer is yes!

Q. How can I find the priors for a problem? A. Many commonly used priors are listed in the Handbook of Chemistry and Physics. Q. Where do priors originally come from? A. Never ask that question. Q. Uh huh. Then more...

Subjects reported afterward that even though they knew the probabilities were against them, they felt they had a better chance when there were more red beans. This may sound crazy to you, Mr. Statistically Sophisticated Reader, but if you think more...