Problem Note 70094: The GLIMMIX procedure can produce certain incorrect LSMEANS results when you specify the DDFM=KR or DDFM=SATTERTHWAITE method
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PROC GLIMMIX might produce incorrect P values and confidence intervals in the LSMEANS statement output when the following conditions are met:
- You specify the DDFM=KR or the DDFM=SATTERTHWAITE option in the MODEL statement.
- The model contains a RANDOM statement.
There is no workaround for this issue.
Click the Hot Fix tab in this note to access the hot fix for this issue.
Operating System and Release Information
| Product Family | Product | System | SAS Release | |
| Reported | Fixed* | |||
| SAS System | SAS/STAT | z/OS | 9.1 TS1M3 | |
| Microsoft® Windows® for x64 | 9.1 TS1M3 | |||
| 64-bit Enabled AIX | 9.1 TS1M3 | |||
| 64-bit Enabled Solaris | 9.1 TS1M3 | |||
| HP-UX IPF | 9.1 TS1M3 | |||
| Linux | 9.1 TS1M3 | |||
| Solaris for x64 | 9.1 TS1M3 | |||
A fix for this issue for SAS/STAT 15.3 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/L9L.html#70094A fix for this issue for SAS/STAT 15.2 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/I5J.html#70094A fix for this issue for SAS/STAT 15.1 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/E8U.html#70094A fix for this issue for SAS/STAT 14.3 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/C9Y.html#70094
If you specify the MODEL statement option DDFM=KR or DDFM=SATTERTHWAITE, and you indicate G-side or R-side model effects in the RANDOM statement, PROC GLIMMIX can compute incorrect least squares means p-values and confidence intervals.
| Type: | Problem Note |
| Priority: | alert |
| Topic: | SAS Reference ==> Procedures ==> GLIMMIX Analytics ==> Mixed Models |
| Date Modified: | 2023-06-21 13:21:05 |
| Date Created: | 2023-05-12 10:33:23 |