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SUPPORT / SAMPLES & SAS NOTES
 

Support

Problem Note 64617: The LIFETEST procedure produces incorrect upper confidence limits for the quartiles for certain data

DetailsHotfixAboutRate It

The upper confidence limit for a quartile qp in PROC LIFETEST is incorrect if these conditions are met:

  • an event is observed at the largest time
  • the pointwise upper bounds for the survival estimate have not dropped below (1-p) at previous times before the largest event time

Click the Hot Fix tab in this note to access the hot fix for this issue.



Operating System and Release Information

Product FamilyProductSystemProduct ReleaseSAS Release
ReportedFixed*ReportedFixed*
SAS SystemSAS/STATMicrosoft Windows Server 2012 Datacenter9.215.29.4 TS1M7
Microsoft Windows Server 2008 for x649.215.29.4 TS1M7
Microsoft Windows Server 2008 R29.215.29.4 TS1M7
Microsoft Windows Server 20089.215.29.4 TS1M7
Microsoft Windows Server 2003 for x649.2
Microsoft Windows Server 2003 Standard Edition9.2
Microsoft Windows Server 2003 Enterprise Edition9.2
Microsoft Windows Server 2003 Datacenter Edition9.2
Microsoft Windows NT Workstation9.2
Microsoft Windows 2000 Professional9.2
Microsoft Windows 2000 Server9.2
Microsoft Windows 2000 Datacenter Server9.2
Microsoft Windows 2000 Advanced Server9.2
Microsoft Windows 95/989.2
Microsoft Windows 109.215.29.4 TS1M7
Microsoft Windows 8.1 Pro x649.215.29.4 TS1M7
Microsoft Windows 8.1 Pro 32-bit9.215.29.4 TS1M7
Microsoft Windows 8.1 Enterprise x649.215.29.4 TS1M7
Microsoft Windows 8.1 Enterprise 32-bit9.215.29.4 TS1M7
Microsoft Windows 8 Pro x649.215.29.4 TS1M7
Microsoft Windows 8 Pro 32-bit9.215.29.4 TS1M7
Microsoft Windows 8 Enterprise x649.215.29.4 TS1M7
Microsoft Windows 8 Enterprise 32-bit9.215.29.4 TS1M7
Microsoft® Windows® for x649.215.29.4 TS1M7
Microsoft Windows XP 64-bit Edition9.2
Microsoft Windows Server 2003 Enterprise 64-bit Edition9.2
Microsoft Windows Server 2003 Datacenter 64-bit Edition9.2
Microsoft® Windows® for 64-Bit Itanium-based Systems9.2
z/OS9.215.29.4 TS1M7
Microsoft Windows Server 2012 R2 Datacenter9.215.29.4 TS1M7
Microsoft Windows Server 2012 R2 Std9.215.29.4 TS1M7
Microsoft Windows Server 2012 Std9.215.29.4 TS1M7
Microsoft Windows Server 20169.215.29.4 TS1M7
Microsoft Windows Server 20199.215.29.4 TS1M7
Microsoft Windows XP Professional9.2
Windows 7 Enterprise 32 bit9.215.29.4 TS1M7
Windows 7 Enterprise x649.215.29.4 TS1M7
Windows 7 Home Premium 32 bit9.215.29.4 TS1M7
Windows 7 Home Premium x649.215.29.4 TS1M7
Windows 7 Professional 32 bit9.215.29.4 TS1M7
Windows 7 Professional x649.215.29.4 TS1M7
Windows 7 Ultimate 32 bit9.215.29.4 TS1M7
Windows 7 Ultimate x649.215.29.4 TS1M7
Windows Millennium Edition (Me)9.2
Windows Vista9.2
Windows Vista for x649.2
64-bit Enabled AIX9.215.29.4 TS1M7
64-bit Enabled HP-UX9.215.29.4 TS1M7
64-bit Enabled Solaris9.215.29.4 TS1M7
HP-UX IPF9.215.29.4 TS1M7
Linux9.215.29.4 TS1M7
Linux for x649.215.29.4 TS1M7
OpenVMS on HP Integrity9.215.29.4 TS1M7
Solaris for x649.215.29.4 TS1M7
* For software releases that are not yet generally available, the Fixed Release is the software release in which the problem is planned to be fixed.