Is the following all you are looking for?:
On Sun, 10 May 2009 20:25:22 -0400, Wensui Liu <liuwensui@GMAIL.COM> wrote:
>I know it is relatively simple but just can't find an elegant and
>simple solution with retain statement.
>here is what I have.
>here is what i want
>I don't want to use lag() function or hash and just want to know a way
>in datastep with retain.
>thank you so much!
>Acquisition Risk, Chase
>Blog : statcompute.spaces.live.com
>Tough Times Never Last. But Tough People Do. - Robert Schuller