The main part of the order is base approximately in: votes/age^2
Some of the details are part of the secret sauce, but kens did a blackbox analysis to try to guess more details. It's an old post, so many details may have changed since it was published, but I guess the main ideas remain.
Some of the details are part of the secret sauce, but kens did a blackbox analysis to try to guess more details. It's an old post, so many details may have changed since it was published, but I guess the main ideas remain.
http://www.righto.com/2009/06/how-does-newsyc-ranking-work.h...
http://www.righto.com/2013/11/how-hacker-news-ranking-really...