There has been a lot of work fitting Ising models to multivariate binary data in order to understand the conditional dependency relationships between the variables. However, additional covariates are ...

They divided critical phenomena into classes with similar critical behavior. I also study the crucial role of the Lenz-Ising model in the development and justification of these ideas.

Ising studied a deceptively simple model that, unknown to him at the time, captures the essential physics of an extremely wide category of problems.