SAS Institute Alert Note SN-005432

From: SAS Technical Support (LISTSERV@VM.SAS.COM)
Date: Wed Aug 01 2001 - 09:33:54 EDT

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    SN-005432 ***Alert Note***

    Incorrect p-values possible with an EXACT statement with the MC option
    and BY-group processing in Proc FREQ

    Product: Base SAS
    Component: FREQ procedure
    Priority: ALERT

      Proc FREQ gives incorrect EXACT/MC p-values for the one-way chi-square
      test when the TESTP= or TESTF= option on the TABLES statement is
      specified and a BY statement is used. The results from the first
      BY-group are correct, but the results from all subsequent BY-groups are

      To circumvent the problem, remove the BY statement and use WHERE
      statements to subset the data.

      error exact mc by freq proc testp one way chisq incorrect wrong
      incorrect p-values possible with an exact statement with the mc option
      and by-group processing in proc freq
      005432 5432

    SAS Note Revised On: Mon, 16 Jul 2001

    System Version Reported Version Fixed

    AIX/6000 8 TSM0 9
    VM/ESA (CMS) 8 TSM0 9
    Compaq Tru64 UNIX 8 TSM0 9
    HP-UX Operating Systems 8 TSM0 9
    Intel ABI 8 TSM0 9
    MIPS ABI 8 TSM0 9
    OS/390 (MVS) 8 TSM0 9
    IBM OS/2 8 TSM0 9
    Solaris 8 TSM0 9
    OpenVMS VAX 8 TSM0 9
    OpenVMS Alpha 8 TSM0 9
    Windows NT 8 TSM0 9
    Windows 2000 Datacenter Server 8 TSM0 9
    Windows 2000 Professional 8 TSM0 9
    Windows 2000 Server and Advanced Server 8 TSM0 9
    Windows 95 8 TSM0 9
    Windows 98 8 TSM0 9

    No Fixes Available

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