SAS/ETS Software

QLIM Procedure

The QLIM procedure is an experimental procedure that can be used for analyzing qualitative choice variables and limited dependent variables. PROC QLIM supports a wide variety of models, including Box-Cox regression, logit/probit/tobit with heteroscedasticity, panel data models, and sample selection models. The new version has added a RESTRICT statement, various goodness-of-fit measures, Box-Cox transformation of regressors for logit/probit/tobit models, bivariate probit models, and sample selection models. Most multinomial choice models (conditional logit, mixed logit, heteroscedastic extreme value, value, and nested logit) are supported in the MDC procedure.

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