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#### Re: SAS help needed

```Data Have ;
Infile Cards ;
Input sno dt Date9. ;
Cards ;
1011 01jan2000
1012 02jan2000
1012 03jan2000
1012 04jan2000
1012 05jan2000
1012 06jan2000
1012 07jan2000
1013 03jan2000
1013 04jan2000
1013 05jan2000
1013 06jan2000
1013 07jan2000
;
Run ;

Data Need ( Drop = Cnt ) ;
Length NewVar \$ 2 ;
Set Have ;
By Sno ;
Retian Newvar ;

If First.SNO Then Do ;
Cnt + 1 ;
NewVar = CatS( 'A' , Cnt ) ;
End ;

Run ;

Proc Print
Data = Need ;
Format DT Date9. ;
Run ;

Toby Dunn

If anything simply cannot go wrong, it will anyway.  Murphys Law #2.

The buddy system is essential to your survival; it gives the enemy somebody
else to shoot at.
Murphys Law #

Tell a man there are 300 billion stars in the universe and he'll believe
you. Tell him a bench has wet paint on it and he'll have to touch to be
sure.  Murphys Law #9

To: SAS-L@LISTSERV.UGA.EDU
Subject: SAS help needed
Date: Fri, 8 Jun 2007 11:16:14 -0400

Hi, I need help in creating a dataset.

I have

sno      dt

1011    01jan2000
1012    02jan2000
1012    03jan2000
1012    04jan2000
1012    05jan2000
1012    06jan2000
1012    07jan2000
1013    03jan2000
1013    04jan2000
1013    05jan2000
1013    06jan2000
1013    07jan2000

want:

sno      dt              new_var

1011    01jan2000        a1
1012    02jan2000        a1
1012    03jan2000        a2
1012    04jan2000        a3
1012    05jan2000        a4
1012    06jan2000        a1
1012    07jan2000        a2
1013    03jan2000        a1
1013    04jan2000        a2
1013    05jan2000        a3
1013    06jan2000        a4
1013    07jan2000        a1

All the records are sorted by dt within sno and want to add a new variable
in which 1st recore will have a1, 2nd will have a2, 3rd will have a3, 4th
will have a4, 5th will have a1 again, 6th will have a2, and so on... The
pattern repeats.

DP

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```
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tobydunn (6020)
6/8/2007 3:22:04 PM
comp.soft-sys.sas 142827 articles. 4 followers.

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