Professional forecasters often apply some version of a Markov model in order to get a baseline and then incorporate other factors, such as barometric pressure, to improve accuracy.

FORBES: The Education Of An Algorithm

So, the museum set out to look at ordinary people complicit in the killing and persecution of millions of Jews through greed, peer pressure, a desire for career advancement or other factors beyond hatred or anti-Semitism.

NPR: Holocaust Survivors, Veterans Gather At DC Museum