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Date:         Mon, 3 Jun 2002 16:56:03 -0400
Reply-To:     "Fehd, Ronald J." <rjf2@CDC.GOV>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         "Fehd, Ronald J." <rjf2@CDC.GOV>
Subject:      Re: efficiency expertise needed
Comments: cc: Karen Olson <karen.olson@TCH.HARVARD.EDU>
Content-Type: text/plain

> From: Karen Olson [mailto:karen.olson@TCH.HARVARD.EDU]

from your earlier posts I remember that you're working with proc FREQ.

Consider the possibility of creating one cross-tab with the maximum number of variables:

PROC FREQ data = LIBRARY.ENORMOUS; tables M * N * O * P * Q ... / noprint out = LIBRARY.XTAB (drop = Percent rename = (Count = Weight);

Any lesser cross-tab can be produced from XTAB using the weight statement:

PROC FREQ data = LIBRARY.XTAB tables ...;%*any vars, any order from above list; weight Weight;

This is drill-down in action.


Ron Fehd the macro maven CDC Atlanta GA USA

By using your intelligence you can sometimes make your problems twice as complicated. -- Ashleigh Brilliant

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