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SMohanReddy
Obsidian | Level 7

I have a dataset with values

as A,A,B,B,Z,Z,ZC,C,Z,Z

 

The output should be like this A,A,B,B,B,B,B,C,C,C,C

 

1 ACCEPTED SOLUTION

Accepted Solutions
Reeza
Super User

Data want;

set have;

 

retain new_var;

 

if var ne 'Z' then new_var=var;

 

run;

 

 

View solution in original post

4 REPLIES 4
Reeza
Super User

Explain your logic and problem in significantly more detail. 

SMohanReddy
Obsidian | Level 7

Hi I have  a dataset "Products" which has a variable "Prod". This variable has got values 

A

A
B

Z

Z

C

C

Z

Z

Whenever Z value comes up, like in this case Z has come up 4th observation, so it has to retain preceding value (B) and then again 5th observation is Z, since 4th obs has been replaced the 5th obs has also to be replaced with prior observation. When ever Z pops up it has to take preceding value

so the output is

A

A

B

B

C

C

C

C

Reeza
Super User

Data want;

set have;

 

retain new_var;

 

if var ne 'Z' then new_var=var;

 

run;

 

 

SMohanReddy
Obsidian | Level 7

thanks 

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