Problem Note 43657: Incorrect Full Log Likelihood column and Max-rescaled R-square with stratified events/trials data in PROC LOGISTIC
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If you have events/trials (summarized binary) data and specify the STRATA statement in PROC LOGISTIC, then the Full Log Likelihood column in the Model Fit Statistics table is not needed and should be ignored.
In addition, if you specify the RSQUARE option then the Max-rescaled R-square value is incorrect.
To obtain the correct values, expand the data to unsummarized form and refit the model.
Operating System and Release Information
| Product Family | Product | System | Product Release | SAS Release | ||
| Reported | Fixed* | Reported | Fixed* | |||
| SAS System | SAS/STAT | z/OS | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 |
| Microsoft® Windows® for x64 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Microsoft Windows Server 2003 Datacenter Edition | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Microsoft Windows Server 2003 Enterprise Edition | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Microsoft Windows Server 2003 Standard Edition | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Microsoft Windows Server 2003 for x64 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Microsoft Windows Server 2008 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Microsoft Windows Server 2008 for x64 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Microsoft Windows XP Professional | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Windows 7 Enterprise 32 bit | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Windows 7 Enterprise x64 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Windows 7 Home Premium 32 bit | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Windows 7 Home Premium x64 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Windows 7 Professional 32 bit | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Windows 7 Professional x64 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Windows 7 Ultimate 32 bit | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Windows 7 Ultimate x64 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Windows Vista | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Windows Vista for x64 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| 64-bit Enabled AIX | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| 64-bit Enabled HP-UX | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| 64-bit Enabled Solaris | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| HP-UX IPF | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Linux | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Linux for x64 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Solaris for x64 | 9.3 | 9.3 | 9.3 TS1M0 | 9.3 TS1M1 | ||
| Type: | Problem Note |
| Priority: | high |
| Topic: | Analytics ==> Categorical Data Analysis Analytics ==> Regression SAS Reference ==> Procedures ==> LOGISTIC |
| Date Modified: | 2011-07-26 15:12:25 |
| Date Created: | 2011-07-05 16:30:54 |