Date:         Fri, 15 Jul 2011 16:04:19 -0700
Reply-To:     "Schwarz, Barry A" <barry.a.schwarz@BOEING.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         "Schwarz, Barry A" <barry.a.schwarz@BOEING.COM>
Subject:      Re: very interesting! set one two ..., what's make the difference?
In-Reply-To:  <000101cc4333$81b6b690$852423b0$@com>
Content-Type: text/plain; charset="us-ascii"

Well, have2 has at least one addition variable per observation.

But if you are not willing to take the time to ask a specific question, don't be surprised when you don't get the answer you need.

> -----Original Message-----
> From: SAS(r) Discussion [mailto:SAS-L@LISTSERV.UGA.EDU] On Behalf Of bbser
> 2009
> Sent: Friday, July 15, 2011 2:10 PM
> To: SAS-L@LISTSERV.UGA.EDU
> Subject: very interesting! set one two ..., what's make the difference?
>
> Greetings!
>
> Could you please run the code below and explain what's make the difference
> between the printouts of the data sets need and need2?
> I ever expected they were the same since I thought the two data steps
> generating them were the same in effects.
> Thank you.
>
> Max
> (Maaxx)
> ================
>
> data have;
> input num;
> cards;
> 1
> 2
> 3
> ;
>
> data have2;
> input num2;
> cards;
> 4
> 5
> ;
>
> data need;
>         do _point=1 to _nobs;
>                 set have have2 nobs=_nobs point=_point;
>                 output;
>         end;
>         stop;
> run;
> proc print data=need;
> run;
>
> data need2;
> set have have2;
> run;
>
> proc print data=need2;
> run;