Date:         Tue, 2 Feb 1999 17:57:58 GMT
Reply-To:     Richard F Ulrich <wpilib+@PITT.EDU>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@UGA.CC.UGA.EDU>
From:         Richard F Ulrich <wpilib+@PITT.EDU>
Organization: University of Pittsburgh
Subject:      Re: Aggregating Data

Brad (mystery_mole@hotmail.com) wrote:
 
: Assuming I have data sorted by an index number and date, how would I take
: just the last occurrence of index number (i.e. the most recent occurrence by
: date). I assume I have to use the aggregate command and the last function ,
: but haven't worked out the syntax.
 
 - wrong.  It is simpler than that.  You can do Match Files with just
one file, and use  /Last=varname   and   Select IF -  For example:
 
 
Match files     file=*  /last=use_it    /by indexnum
select if       use_it
 
 
--
Rich Ulrich, biostatistician                wpilib+@pitt.edu
http://www.pitt.edu/~wpilib/index.html   Univ. of Pittsburgh