Problem Note 70910: The LIFETEST procedure might produce incorrect weighted confidence limits for quartiles
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If you specify a WEIGHT statement in PROC LIFETEST, some of the quartile confidence limits might be incorrectly reported as non-missing values.
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 | 15.1 | 9.4 TS1M6 | ||
| Microsoft® Windows® for x64 | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows 8 Enterprise 32-bit | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows 8 Enterprise x64 | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows 8 Pro 32-bit | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows 8 Pro x64 | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows 8.1 Enterprise 32-bit | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows 8.1 Enterprise x64 | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows 8.1 Pro 32-bit | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows 8.1 Pro x64 | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows 10 | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows Server 2008 | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows Server 2008 R2 | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows Server 2008 for x64 | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows Server 2012 Datacenter | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows Server 2012 R2 Datacenter | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows Server 2012 R2 Std | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows Server 2012 Std | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows Server 2016 | 15.1 | 9.4 TS1M6 | ||||
| Microsoft Windows Server 2019 | 15.1 | 9.4 TS1M6 | ||||
| Windows 7 Enterprise 32 bit | 15.1 | 9.4 TS1M6 | ||||
| Windows 7 Enterprise x64 | 15.1 | 9.4 TS1M6 | ||||
| Windows 7 Home Premium 32 bit | 15.1 | 9.4 TS1M6 | ||||
| Windows 7 Home Premium x64 | 15.1 | 9.4 TS1M6 | ||||
| Windows 7 Professional 32 bit | 15.1 | 9.4 TS1M6 | ||||
| Windows 7 Professional x64 | 15.1 | 9.4 TS1M6 | ||||
| Windows 7 Ultimate 32 bit | 15.1 | 9.4 TS1M6 | ||||
| Windows 7 Ultimate x64 | 15.1 | 9.4 TS1M6 | ||||
| 64-bit Enabled AIX | 15.1 | 9.4 TS1M6 | ||||
| 64-bit Enabled Solaris | 15.1 | 9.4 TS1M6 | ||||
| HP-UX IPF | 15.1 | 9.4 TS1M6 | ||||
| Linux for x64 | 15.1 | 9.4 TS1M6 | ||||
| Solaris for x64 | 15.1 | 9.4 TS1M6 | ||||
A fix for this issue for SAS/STAT 15.3 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/L9L.html#70910A fix for this issue for SAS/STAT 15.1 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/E8U.html#70910
When you specify a WEIGHT statement in PROC LIFETEST, some of the quartile confidence limits might be incorrect.
| Type: | Problem Note |
| Priority: | alert |
| Topic: | Analytics ==> Survival Analysis SAS Reference ==> Procedures ==> LIFETEST |
| Date Modified: | 2024-09-03 13:39:57 |
| Date Created: | 2024-07-26 12:48:58 |