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Date:         Fri, 18 Jul 2008 13:32:30 -0400
Reply-To:     sas biology <sasbio@GMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         sas biology <sasbio@GMAIL.COM>
Subject:      a data manipulation question
Content-Type: text/plain; charset=ISO-8859-1

Hi All,

Can anyone help me solve the following problem?

I have the following data

*

data* test;

input subject visit flag1 ;

cards;

1 1 1

1 2 1

1 2 2

2 1 2

2 2 3

3 1 1

3 1 3

3 2 3

4 1 1

4 2 1

4 2 4

5 1 2

5 2 2

5 2 4

6 1 3

6 2 3

6 2 4

7 1 1

7 2 1

8 1 2

8 2 2

8 1 3

9 2 3

; *

run*;

I need to process it using the following logic

**if flag1= 1 only then flag2 =1

else if flag1= 2 only then flag2= 2

else if flag1=3 only then flag2=3

else if flag1 in (1 2) then flag2=4

else if flag1 in (2 3) then flag2=5

else if flag1 in (1 3) then flag2=6

else if flag1 in (1 4) then flag2=7

else if flag1 in (2 4) then flag2=8

else if flag1 in (3 4) then flag2=9;

and my output data should look like this. *

1* *1* *1* *4

1* *2* *1* *4

1* *2* *2* *4

2* *1* *2* *5

2* *2* *3* *5

3* *1* *1* *6

3* *1* *3* *6

3* *2* *3* *6

4* *1* *1* *7

4* *2* *1* *7

4* *2* *4* *7

5* *1* *2* *8

5* *2* *2* *8

5* *2* *4* *8

6* *1* *3* *9

6* *2* *3* *9

6* *2* *4* *9

7* *1* *1* *1

7* *2* *1* *1

8* *1* *2* *2* *

8* *2* *2* *2

8* *1* *3* *3

9* *2* *3* *3*

**

*Thanks in Advance.*

*SB *


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