Problem Note 56176: PROC MCMC exits abnormally when a multivariate distribution is specified and a predictor variable has missing values
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The MCMC procedure might terminate abnormally when a multivariate distribution is specified in the MODEL statement and there are missing values in any of the predictor variables. The following messages are issued in the log:
ERROR: An exception has been encountered. Please contact technical support and provide them with the following traceback information: The SAS task name is [MCMC] ERROR: Read Access Violation MCMC
There is no workaround for this problem.
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 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 |
| Microsoft® Windows® for x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows 8 Enterprise 32-bit | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows 8 Enterprise x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows 8 Pro 32-bit | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows 8 Pro x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows 8.1 Enterprise 32-bit | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows 8.1 Enterprise x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows 8.1 Pro | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows 8.1 Pro 32-bit | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows Server 2008 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows Server 2008 R2 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows Server 2008 for x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows Server 2012 Datacenter | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows Server 2012 R2 Datacenter | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows Server 2012 R2 Std | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Microsoft Windows Server 2012 Std | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Windows 7 Enterprise 32 bit | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Windows 7 Enterprise x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Windows 7 Home Premium 32 bit | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Windows 7 Home Premium x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Windows 7 Professional 32 bit | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Windows 7 Professional x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Windows 7 Ultimate 32 bit | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Windows 7 Ultimate x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| 64-bit Enabled AIX | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| 64-bit Enabled Solaris | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| HP-UX IPF | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Linux for x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Solaris for x64 | 13.2 | 14.2 | 9.4 TS1M2 | 9.4 TS1M4 | ||
| Z64 | 14.1 | 14.2 | 9.4 TS1M3 | 9.4 TS1M4 | ||
A fix for this issue for SAS/STAT 13.2_M1 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/S75.html#56176A fix for this issue for SAS/STAT 14.1 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/V34.html#56176
If a multivariate distribution is specified in the MCMC procedure and a predictor variable has missing values, the procedure terminates with errors.
| Type: | Problem Note |
| Priority: | medium |
| Topic: | Analytics ==> Bayesian Analysis SAS Reference ==> Procedures ==> MCMC |
| Date Modified: | 2017-06-28 11:31:17 |
| Date Created: | 2015-07-14 08:48:28 |