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[推荐]SAS Production GLIMMIX Procedure [推广有奖]

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Production GLIMMIX Procedure
Statistics | Econometrics and Time Series | Operations Research | Quality Improvement

A production version of the new GLIMMIX procedure is now available. PROC GLIMMIX, which fits generalized linear mixed models, was first made available last August as an experimental procedure. The production version is available, by download only, for the Windows platform and works with the SAS 9.1 release.

PROC GLIMMIX fits statistical models to data with correlations or nonconstant variability and where the response is not necessarily normally distributed. These generalized linear mixed models (GLMM), like linear mixed models, assume normal (Gaussian) random effects. Conditional on these random effects, data can have any distribution in the exponential family. The binary, binomial, Poisson, and negative binomial distributions, for example, are discrete members of this family. The normal, beta, gamma, and chi-square distributions are representatives of the continuous distributions in this family.

Some PROC GLIMMIX features are:

  • Flexible covariance structures for random effects and correlated errors
  • Programmable link and variance functions
  • Bias-adjusted empirical covariance estimators
  • Univariate and multivariate low-rank smoothing
  • Joint modeling for multivariate data

Besides including performance enhancements and various fixes, the production release of the GLIMMIX procedure provides numerous additional features. These include:

  • ODS statistical graphics to display LS-means and confidence limits
  • Analysis of Means
  • Odds ratios
  • Custom hypotheses concerning LS-means with the LSMESTIMATE statement
  • New multiplicity adjustments
  • Beta regression

The documentation has been updated to reflect these new features.

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关键词:production Procedure Product glimmix produc 推荐 SAS glimmix production Procedure

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