Problem Note 53938: CONTRAST statement with LINK=GLOGIT and EQUALSLOPES options can produce incorrect probabilities in PROC LOGISTIC
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In PROC LOGISTIC, if you specify the LINK=GLOGIT and EQUALSLOPES= options in the MODEL statement and if one of the effects in the EQUALSLOPES= option is specified in a CONTRAST statement that includes the ESTIMATE=PARM or ESTIMATE=ALL option, then the probability estimates produced by the CONTRAST statement are incorrect.
There is no circumvention for this problem.
Operating System and Release Information
| Product Family | Product | System | Product Release | SAS Release | ||
| Reported | Fixed* | Reported | Fixed* | |||
| SAS System | SAS/STAT | z/OS | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 |
| Z64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft® Windows® for x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows 8 Enterprise 32-bit | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows 8 Enterprise x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows 8 Pro 32-bit | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows 8 Pro x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows 8.1 Enterprise 32-bit | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows 8.1 Enterprise x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows 8.1 Pro | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows 8.1 Pro 32-bit | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows Server 2008 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows Server 2008 R2 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows Server 2008 for x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows Server 2012 Datacenter | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows Server 2012 R2 Datacenter | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows Server 2012 R2 Std | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Microsoft Windows Server 2012 Std | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Windows 7 Enterprise 32 bit | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Windows 7 Enterprise x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Windows 7 Home Premium 32 bit | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Windows 7 Home Premium x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Windows 7 Professional 32 bit | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Windows 7 Professional x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Windows 7 Ultimate 32 bit | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Windows 7 Ultimate x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| 64-bit Enabled AIX | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| 64-bit Enabled Solaris | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| HP-UX IPF | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Linux for x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Solaris for x64 | 13.2 | 14.1 | 9.4 TS1M2 | 9.4 TS1M3 | ||
| Type: | Problem Note |
| Priority: | alert |
| Topic: | Analytics ==> Categorical Data Analysis Analytics ==> Regression SAS Reference ==> Procedures ==> LOGISTIC |
| Date Modified: | 2014-08-19 13:05:18 |
| Date Created: | 2014-08-18 10:36:11 |