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What’s New in SAS/STAT 9.22

Highlights of Enhancements

Additional statements for least squares means, scoring, and other advanced postfitting inferences have been added to several modeling procedures, including the LOGISTIC, MIXED, and ORTHOREG procedures. Other highlights include:

  • The EFFECT statement is now available in the HPMIXED, GLIMMIX, GLMSELECT, LOGISTIC, ORTHOREG, PHREG, PLS, QUANTREG, ROBUSTREG, SURVEYLOGISTIC, and SURVEYREG procedures.

    This statement enables you to construct a much richer family of linear models than you can traditionally define with the CLASS statement. Effect types include splines for semiparametric modeling, multimember effects for situations in which measurements can belong to more than one class, lag effects, and polynomials.

  • Exact Poisson regression is now available with the GENMOD procedure.

  • The MCMC procedure can create samples from the posterior predictive distribution.

  • The zero-inflated negative binomial model is now available with the GENMOD procedure.

  • The HPMIXED procedure is now production.

  • The CALIS procedure has been completely revised and includes enhancements that were formerly available in the experimental TCALIS procedure.

More information about the changes and enhancements follow. Details can be found in the documentation for the individual procedures in the SAS/STAT 9.22 User’s Guide.

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