SPSS Code Fragments These pages contain SPSS programs with a minimum of documentation or explanation.  These pages often reflect samples that we have created in solving a problem for someone…
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Sometimes you want to be able to read matrix data (e.g., correlations) directly into SPSS for analysis.  For example, perhaps you have ordinal data and used the Stata polychoric command…
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This module illustrates how to reshape data files in SPSS without using the casestovars command. These examples take long data files and reshape them into wide form. These show common…
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Version info: Code for this page was tested in SPSS 20. Multinomial logistic regression is used to model nominal outcome variables, in which the log odds of the outcomes are…
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Negative binomial regression is for modeling count variables, usually for over-dispersed count outcome variables. Please note: The purpose of this page is to show how to use various data analysis…
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Version info: Code for this page was tested in IBM SPSS 20. Please note: The purpose of this page is to show how to use various data analysis commands. It…
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Poisson regression is used to model count variables. Please note: The purpose of this page is to show how to use various data analysis commands.  It does not cover all…
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Departments Offering Applied Statistics Courses at UCLA The following departments offer courses in applied statistics and data analysis. Please check the schedule of courses to see about current offerings (Link…
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SAS Webbooks Regression with SAS See Also Regression with Stata Regression with SPSS

Chapter Outline     4.1 Robust Regression Methods         4.1.1 Regression with Robust Standard Errors         4.1.2 Using the Proc Genmod for Clustered Data         4.1.3 Robust Regression…
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