SAS Institute Alert Note SN-005780

From: SAS Technical Support (LISTSERV@VM.SAS.COM)
Date: Fri Sep 14 2001 - 09:57:10 EDT

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    SN-005780 ***Alert Note***

    The DDFM=SATTERTHWAITE option can cause incorrect results when used in
    the presence of both a RANDOM and a REPEATED statement

    Product: SAS/STAT
    Component: MIXED procedure
    Priority: ALERT

      The DDFM=SATTERTHWAITE option may return incorrect results if you have
      both a RANDOM and a REPEATED statement in your PROC MIXED step, and the
      number of levels of the repeated effect is larger than the sum of the
      number of columns in the X and Z design matrices. PROC MIXED may also
      issue a read-access violation or shut down your SAS session in this
      situation.

      The only results that may be inaccurate are the Satterthwaite degrees
      of freedom. All other results are correct.

      There is no circumvention for this problem.

    Keywords:
      stat proc mixed ddfm satterthwate df incorrout incorrstat read access
      violation abend
      the ddfm=satterthwaite option can cause incorrect results when used in
      the presence of both a random and a repeated statement
      005780 5780

    SAS Note Revised On: Thu, 6 Sep 2001

    System Version Reported Version Fixed

    AIX 64 bit 8.2 TS2M0
    AIX/6000 8 TSM0
    AIX/6000 8.1 TS1M0
    AIX/6000 8.2 TS2M0
    VM/ESA (CMS) 8 TSM0
    VM/ESA (CMS) 8.1 TS1M0
    VM/ESA (CMS) 8.2 TS2M0
    Compaq Tru64 UNIX 8 TSM0
    Compaq Tru64 UNIX 8.1 TS1M0
    Compaq Tru64 UNIX 8.2 TS2M0
    HP-UX Operating Systems 8 TSM0
    HP-UX Operating Systems 8.1 TS1M0
    HP-UX Operating Systems 8.2 TS2M0
    HP-UX 64 bit 8.2 TS2M0
    Intel ABI 8 TSM0
    Intel ABI 8.1 TS1M0
    Intel ABI 8.2 TS2M0
    Linux 8.2 TS2M0
    MIPS ABI 8 TSM0
    MIPS ABI 8.1 TS1M0
    MIPS ABI 8.2 TS2M0
    OS/390 (MVS) 8 TSM0
    OS/390 (MVS) 8.1 TS1M0
    OS/390 (MVS) 8.2 TS2M0
    IBM OS/2 8 TSM0
    IBM OS/2 8.1 TS1M0
    IBM OS/2 8.2 TS2M0
    Solaris 8 TSM0
    Solaris 8.1 TS1M0
    Solaris 8.2 TS2M0
    Solaris 64 bit 8.2 TS2M0
    OpenVMS VAX 8 TSM0
    OpenVMS VAX 8.1 TS1M0
    OpenVMS VAX 8.2 TS2M0
    OpenVMS Alpha 8 TSM0
    OpenVMS Alpha 8.1 TS1M0
    OpenVMS Alpha 8.2 TS2M0
    Windows NT 8 TSM0
    Windows NT 8.1 TS1M0
    Windows NT 8.2 TS2M0
    Windows 2000 Datacenter Server 8 TSM0
    Windows 2000 Datacenter Server 8.1 TS1M0
    Windows 2000 Datacenter Server 8.2 TS2M0
    Windows 2000 Professional 8 TSM0
    Windows 2000 Professional 8.1 TS1M0
    Windows 2000 Professional 8.2 TS2M0
    Windows 2000 Server and Advanced Server 8 TSM0
    Windows 2000 Server and Advanced Server 8.1 TS1M0
    Windows 2000 Server and Advanced Server 8.2 TS2M0
    Windows 95 8 TSM0
    Windows 95 8.1 TS1M0
    Windows 95 8.2 TS2M0
    Windows 98 8 TSM0
    Windows 98 8.1 TS1M0
    Windows 98 8.2 TS2M0
    Windows ME 8.2 TS2M0

    No Fixes Available

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