Problem Note 70887: The MIXED procedure might produce incorrect results when you specify certain model combinations
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PROC MIXED might produce incorrect results when the following conditions are met:
- You specify the DDFM=KR, DDFM=KR2, or DDFM=SAT option in the MODEL statement.
- You specify the TYPE=FA(q), TYPE=FA0(q), or TYPE=FA1(q) option in the RANDOM statement when t=1 regardless of the q value (where t is the dimension of the G matrix).
- At least one of the following conditions is also met:
- You specify the OUTP= option in the MODEL statement.
- You specify the SOLUTION option in the RANDOM statement.
- You specify a CONTRAST or ESTIMATE statement involving random effects.
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 | Product Release | SAS Release | ||
| Reported | Fixed* | Reported | Fixed* | |||
| SAS System | SAS/STAT | Solaris for x64 | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya |
| OpenVMS on HP Integrity | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya | ||
| Linux for x64 | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya | ||
| Linux | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya | ||
| HP-UX IPF | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya | ||
| 64-bit Enabled Solaris | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya | ||
| 64-bit Enabled HP-UX | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya | ||
| 64-bit Enabled AIX | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya | ||
| Windows Vista for x64 | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya | ||
| Windows Vista | 9.2 | 9.2 TS1M0 | ||||
| Microsoft Windows XP Professional | 9.2 | 9.2 TS1M0 | ||||
| Microsoft Windows Server 2003 Standard Edition | 9.2 | 9.2 TS1M0 | ||||
| Microsoft Windows Server 2003 Enterprise Edition | 9.2 | 9.2 TS1M0 | ||||
| Microsoft Windows Server 2003 Datacenter Edition | 9.2 | 9.2 TS1M0 | ||||
| Microsoft® Windows® for x64 | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya | ||
| Microsoft Windows XP 64-bit Edition | 9.2 | 9.2 TS1M0 | ||||
| Microsoft Windows Server 2003 Enterprise 64-bit Edition | 9.2 | 9.2 TS1M0 | ||||
| Microsoft Windows Server 2003 Datacenter 64-bit Edition | 9.2 | 9.2 TS1M0 | ||||
| Microsoft® Windows® for 64-Bit Itanium-based Systems | 9.2 | 9.2 TS1M0 | ||||
| z/OS | 9.2 | Stable 2024.08 | 9.2 TS1M0 | Viya | ||
Viya on Linux: An update for this issue is available for SAS Viya 3.5. For instructions on how to access and apply software updates, see the Updating Your SAS Viya software section in the SAS Viya 3.5 for Linux Deployment Guide at
http://documentation.sas.com/?softwareId=administration&softwareVersion=3.5&softwareContextId=softwareUpdatesA fix for this issue for SAS/STAT 15.3 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/L9L.html#70887A fix for this issue for SAS/STAT 15.2 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/I5J.html#70887| Type: | Problem Note |
| Priority: | alert |
| Topic: | Analytics ==> Mixed Models SAS Reference ==> Procedures ==> MIXED |
| Date Modified: | 2024-10-07 15:37:09 |
| Date Created: | 2024-07-11 11:46:21 |