SUPPORT / SAMPLES & SAS NOTES
Problem Note 65851: The MCMC procedure generates incorrect posterior distributions when the VALIDVARNAME=UPCASE system option is specified
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When the VALIDVARNAME= system option is set to UPCASE, PROC MCMC generates an incorrect posterior distribution for some of the parameters. Although no error message indicates that there is an issue, the following message might appear in the Log window:
ERROR: An exception has been encountered.
Please contact technical support and provide them with the following traceback information:
The SAS task name is [MCMC ]
Segmentation Violation
Please contact technical support and provide them with the following traceback information:
The SAS task name is [MCMC ]
Segmentation Violation
To circumvent this problem, specify either VALIDVARNAME=ANY or VALIDVARNAME=V7 in an OPTIONS statement.
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 | z/OS 64-bit | 14.1 | 9.4 TS1M3 | ||
| z/OS | 14.1 | 9.4 TS1M3 | ||||
| Microsoft® Windows® for x64 | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows 8 Enterprise 32-bit | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows 8 Enterprise x64 | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows 8 Pro 32-bit | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows 8 Pro x64 | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows 8.1 Enterprise 32-bit | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows 8.1 Enterprise x64 | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows 8.1 Pro 32-bit | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows 8.1 Pro x64 | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows 10 | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows Server 2008 | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows Server 2008 R2 | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows Server 2008 for x64 | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows Server 2012 Datacenter | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows Server 2012 R2 Datacenter | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows Server 2012 R2 Std | 14.1 | 9.4 TS1M3 | ||||
| Microsoft Windows Server 2012 Std | 14.1 | 9.4 TS1M3 | ||||
| Windows 7 Enterprise 32 bit | 14.1 | 9.4 TS1M3 | ||||
| Windows 7 Enterprise x64 | 14.1 | 9.4 TS1M3 | ||||
| Windows 7 Home Premium 32 bit | 14.1 | 9.4 TS1M3 | ||||
| Windows 7 Home Premium x64 | 14.1 | 9.4 TS1M3 | ||||
| Windows 7 Professional 32 bit | 14.1 | 9.4 TS1M3 | ||||
| Windows 7 Professional x64 | 14.1 | 9.4 TS1M3 | ||||
| Windows 7 Ultimate 32 bit | 14.1 | 9.4 TS1M3 | ||||
| Windows 7 Ultimate x64 | 14.1 | 9.4 TS1M3 | ||||
| 64-bit Enabled AIX | 14.1 | 9.4 TS1M3 | ||||
| 64-bit Enabled Solaris | 14.1 | 9.4 TS1M3 | ||||
| HP-UX IPF | 14.1 | 9.4 TS1M3 | ||||
| Linux for x64 | 14.1 | 9.4 TS1M3 | ||||
| Solaris for x64 | 14.1 | 9.4 TS1M3 | ||||