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SAS/STAT 9.2 User's Guide: The PROBIT Procedure
support.sas.comProbit analysis developed from the need to analyze qualitative (dichotomous or polytomous) de- pendent variables within the regression framework. Many response variables are binary by nature
The PROBIT Procedure
www.math.wpi.eduNotice that PROC PROBIT, by default, models the probability of the lower response levels. The choice of the distribution function F (normal for the probit model, logistic for the logit model, and extreme value or Gompertz for the gompit model) determines the type of analysis. For most problems, there is relatively little difference between