Date:         Thu, 5 Apr 2001 09:36:33 -0400
Reply-To:     kviel <kviel@GMCF.ORG>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         kviel <kviel@GMCF.ORG>
Subject:      Re: Q on Macro Variable
Content-Type: text/plain; charset="iso-8859-1"

Perhaps by "merge" Rahul meant concatenate:

newvar=put(_n_, z10.) || &vartmp;

Rahul, please provide further explanation.


Kevin

-----Original Message-----
From: Fehd, Ronald J. [mailto:rjf2@CDC.GOV]
Sent: Thursday, April 05, 2001 9:32 AM
To: SAS-L@LISTSERV.UGA.EDU
Subject: Re: Q on Macro Variable


> From: RAHUL CHAHAL [mailto:rahulchahal@YAHOO.COM]
> I am trying to do the following:
>
> data tmp1;
>  set tempx(keep=var1);
>  if _n_=1;
>  run;
>
> %let vartmp=tmp1; /*<-Putting the only value for the
> only variable into the macro variable*/
>
> data tmp2;
>  set tempy;
>  newvar=_n_+&vartmp;
>  run;
>
> Obviously "VARTMP" is not created. What is correct way
> to do beside using the merge to do it?

please explain what you are trying to do. again.

your code creates a data set TMP1
you assign the data set name TMP1 to a macro variable VARTMP
data TMP2 reads data set TEMPY
and attempts to create a new variable NewVar
with the value of the observation counter, _N_
plus a data set name? VARTMP

now, if VARTMP were the name of a variable, instead of a data set name
perhaps you want VARTMP to be Var1?

in that case:
> data tmp2;
   if _N_ = 1 then set TMP1;
>  set tempy;
   newvar=_n_+Var1;
>  run;

Ron Fehd  the macro maven  CDC Atlanta GA USA RJF2@cdc.gov
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