LISTSERV at the University of Georgia
Menubar Imagemap
Home Browse Manage Request Manuals Register
Previous messageNext messagePrevious in topicNext in topicPrevious by same authorNext by same authorPrevious page (December 2006, week 3)Back to main SAS-L pageJoin or leave SAS-L (or change settings)ReplyPost a new messageSearchProportional fontNon-proportional font
Date:         Thu, 21 Dec 2006 10:48:01 -0500
Reply-To:     "Howard Schreier <hs AT dc-sug DOT org>" <nospam@HOWLES.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         "Howard Schreier <hs AT dc-sug DOT org>" <nospam@HOWLES.COM>
Subject:      Re: PROC SQL help!

On Thu, 21 Dec 2006 10:18:24 -0500, Jack Clark <JClark@CHPDM.UMBC.EDU> wrote:

>Yun, > > >data have; >input a $ b $ c $ d; >cards; >111 qqq ppp 1 >111 qqq ooo 1 >111 qqq lll 0 >222 www ppp 0 >222 www ooo 1 >222 www lll 0 >; >run; > > >proc sql; > create table need as > select a, b, sum(case when d=1 then 1 > else 0 > end) as d1, > sum(case when d=0 then 1 > else 0 > end) as d0 > from have > group by a, b > ; >quit; > >proc print data = need; >run; >

Or just

select a, b, sum(d=1) label='d=1', sum(d=0) label='d=0' from have group by 1, b;

Output:

a b d=1 d=0 -------------------------------------- 111 qqq 2 1 222 www 1 2

> >HTH > >Jack Clark >Research Analyst >Center for Health Program Development and Management >University of Maryland, Baltimore County > > > >-----Original Message----- >From: SAS(r) Discussion [mailto:SAS-L@LISTSERV.UGA.EDU] On Behalf Of Yun Bai >Sent: Thursday, December 21, 2006 10:01 AM >To: SAS-L@LISTSERV.UGA.EDU >Subject: PROC SQL help! > >Hi, > >I have a data table like this: > >a b c d >--------------------------- >111 qqq ppp 1 >111 qqq ooo 1 >111 qqq lll 0 >222 www ppp 0 >222 www ooo 1 >222 www lll 0 >....... > >How can I use PROC SQL to generate a table to count how many rows have d=1 >and d=0 for distinct group? Like this: > >a b d=1 d=0 >---------------------------- >111 qqq 2 1 >222 www 1 2 >...... > >Thank you!


Back to: Top of message | Previous page | Main SAS-L page