# Binary Regressions Go back to the [[Econometrics Main Page]] Regressions can sometimes go one of two ways, so either default or not defaulting on a loan, or have a stroke or not have a stroke. Binary variables. Need to use a special model - Logit - Probit model Used discreet and continuous variables in the model. Relationshiip between discreet veriable is non-linear. Y variable is a 1 or a variable.