Date:         Wed, 24 Aug 2011 09:57:24 -0700
Reply-To:     "Nordlund, Dan (DSHS/RDA)" <NordlDJ@DSHS.WA.GOV>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         "Nordlund, Dan (DSHS/RDA)" <NordlDJ@DSHS.WA.GOV>
Subject:      Re: exact rdiff question
In-Reply-To:  <CAMWaJicFoys6tODo2vUPpdAfaOyVS=YdL6-AgVSzbTG_EG5xSA@mail.gmail.com>
Content-Type: text/plain; charset=utf-8

> -----Original Message-----
> From: SAS(r) Discussion [mailto:SAS-L@LISTSERV.UGA.EDU] On Behalf Of
> Fatos US
> Sent: Wednesday, August 24, 2011 9:26 AM
> To: SAS-L@LISTSERV.UGA.EDU
> Subject: exact rdiff question
>
> *data* new;
>
> input year not_deliv deliv ;
>
> cards;
>
> 2000 819 992
>
> 2001 709 946
>
> 2002 652 878
>
> 2003 639 829
>
> 2004 712 840
>
> 2005 435 580
>
> 2006 575 756
>
> 2007 672 985
>
> 2008 592 775
>
> 2009 492 660
>
> ;
> *
>
> proc* *freq* data=new ;
>
> weight not_deliv; exact riskdiff ;
>
> tables year/ cl out=cure ;
> *
> proc* *print* data=cure ; *run*;
>
>
> Can anyone tell me why I cannot find the confidence limits using the
> codes
> above?
> Thank you so much in advance.


Fay,

Exact riskdiff is only for 2x2 tables.  So no riskdiff is calculated, and therefore no CL as well.

Hope this is helpful,

Dan

Daniel J. Nordlund
Washington State Department of Social and Health Services
Planning, Performance, and Accountability
Research and Data Analysis Division
Olympia, WA 98504-5204