topic Re: Retain Statement Help in SAS Programming

Retain Statement Help

SMohanReddy — Fri, 23 Sep 2016 11:28:34 GMT

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

Re: Retain Statement Help

Reeza — Fri, 23 Sep 2016 11:54:14 GMT

Explain your logic and problem in significantly more detail.

Re: Retain Statement Help

SMohanReddy — Fri, 23 Sep 2016 12:06:21 GMT

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

A
B

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

Re: Retain Statement Help

Reeza — Fri, 23 Sep 2016 12:13:05 GMT

Data want;

set have;

retain new_var;

if var ne 'Z' then new_var=var;

run;

Re: Retain Statement Help

SMohanReddy — Fri, 23 Sep 2016 12:44:32 GMT

thanks