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PBsas
Obsidian | Level 7

Can you please help with following?

data a;
input var1 $;
datalines;
a
b
c
d
e
;
run;

what I need is:

var1var2
aa
ba-b
ca-b-c
da-b-c-d
ea-b-c-d-e
 

 

1 ACCEPTED SOLUTION

Accepted Solutions
Reeza
Super User
cat = catx('-',lag(var1),var1) ;

 

That doesn't make sense, you want to add the new variable, not the previous variable1 and current variable.

 

cat = catx('-',cat,var1) ;

 

View solution in original post

4 REPLIES 4
Reeza
Super User

RETAIN + CATX. 

 

 

PBsas
Obsidian | Level 7
data b ;
    length cat $200 ;
set a ;
retain cat;
cat = catx('-',lag(var1),var1) ;
run ;

This is what I have but not getting results i want.
Reeza
Super User
cat = catx('-',lag(var1),var1) ;

 

That doesn't make sense, you want to add the new variable, not the previous variable1 and current variable.

 

cat = catx('-',cat,var1) ;

 

PBsas
Obsidian | Level 7

Thank you @Reeza

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