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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 FamilyProductSystemProduct ReleaseSAS Release
ReportedFixed*ReportedFixed*
SAS SystemSAS/STATz/OS9.39.39.3 TS1M09.3 TS1M1
Microsoft® Windows® for x649.39.39.3 TS1M09.3 TS1M1
Microsoft Windows Server 2003 Datacenter Edition9.39.39.3 TS1M09.3 TS1M1
Microsoft Windows Server 2003 Enterprise Edition9.39.39.3 TS1M09.3 TS1M1
Microsoft Windows Server 2003 Standard Edition9.39.39.3 TS1M09.3 TS1M1
Microsoft Windows Server 2003 for x649.39.39.3 TS1M09.3 TS1M1
Microsoft Windows Server 20089.39.39.3 TS1M09.3 TS1M1
Microsoft Windows Server 2008 for x649.39.39.3 TS1M09.3 TS1M1
Microsoft Windows XP Professional9.39.39.3 TS1M09.3 TS1M1
Windows 7 Enterprise 32 bit9.39.39.3 TS1M09.3 TS1M1
Windows 7 Enterprise x649.39.39.3 TS1M09.3 TS1M1
Windows 7 Home Premium 32 bit9.39.39.3 TS1M09.3 TS1M1
Windows 7 Home Premium x649.39.39.3 TS1M09.3 TS1M1
Windows 7 Professional 32 bit9.39.39.3 TS1M09.3 TS1M1
Windows 7 Professional x649.39.39.3 TS1M09.3 TS1M1
Windows 7 Ultimate 32 bit9.39.39.3 TS1M09.3 TS1M1
Windows 7 Ultimate x649.39.39.3 TS1M09.3 TS1M1
Windows Vista9.39.39.3 TS1M09.3 TS1M1
Windows Vista for x649.39.39.3 TS1M09.3 TS1M1
64-bit Enabled AIX9.39.39.3 TS1M09.3 TS1M1
64-bit Enabled HP-UX9.39.39.3 TS1M09.3 TS1M1
64-bit Enabled Solaris9.39.39.3 TS1M09.3 TS1M1
HP-UX IPF9.39.39.3 TS1M09.3 TS1M1
Linux9.39.39.3 TS1M09.3 TS1M1
Linux for x649.39.39.3 TS1M09.3 TS1M1
Solaris for x649.39.39.3 TS1M09.3 TS1M1
* For software releases that are not yet generally available, the Fixed Release is the software release in which the problem is planned to be fixed.