|Date: ||Wed, 24 Mar 2010 16:19:35 -0700|
|Reply-To: ||Reeza <fkhurshed@HOTMAIL.COM>|
|Sender: ||"SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>|
|From: ||Reeza <fkhurshed@HOTMAIL.COM>|
|Subject: ||Re: getting unique ID observations|
|Content-Type: ||text/plain; charset=ISO-8859-1|
On Mar 20, 2:18 pm, sas analysis <sasanaly...@gmail.com> wrote:
> This is yet a simple question which I am not knowing how to do in sas:
> I have a longitudinal dataset and I need to get how many unique
> observations there are for each variable.
> For example, if i have 5430 subjects and 80,000 observations. how do I
> get unique observations for each variable based on the 5430 (how many
> of the total 5430 said yes to smoking or no, even though smoking was
> measured more than 20 times?)
> any help would be great.
There's also a proc freq, for each subject by answer to smoking.
I'd definitely save it to a data set rather than print it out though;
Something like this:
proc freq data=in noprint;