How to merge with duplicate observation on both sides

Discussion in 'SAS (Statistical Analysis Software)' started by hewei2004, Mar 21, 2010.

  1. hewei2004

    hewei2004 Guest


    If I have two files like this:

    ID Value1
    1 a
    1 b

    ID Value2
    1 c
    1 d

    Note the ID is duplicate. I want to merge by ID (most other
    observations that not duplicate like this pathological example) but
    how do I merge the two files so that every possible combination of
    values are present in the merged file

    Desired output:
    ID Value1 Value2
    1 a c
    1 a d
    1 b c
    1 b d
    hewei2004, Mar 21, 2010
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  2. Use SQL to get a FULL JOIN.
    proc sql;
    create table new as
    select a.*,b.*
    from left a full join right b
    on =
    Tom Abernathy, Mar 21, 2010
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