SAS Institute Alert Note SN-004062

From: SAS Technical Support (LISTSERV@VM.SAS.COM)
Date: Thu Jan 18 2001 - 08:11:39 EST

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    SN-004062 ALERT NOTE

    CALL LTS will return incorrect results with large input matrices

    Product: SAS/IML
    Component: IML procedure
    Priority: ALERT

      If the input data matrix has more than 600 rows, the SAS/IML routine
      CALL LTS will give incorrect results. To circumvent the problem,
      specify OPT[9]=1 in the CALL statement. This will cause a slower, but
      correct, version of the algorithm to be used.

    Keywords:
      incorrout incorrstat incorrect lts robust regression
      call lts will return incorrect results with large input matrices
      004062 4062

    SAS Note Revised On: Mon, 8 Jan 2001

    System Version Reported Version Fixed

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

    No Fixes Available

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