How to fill this missing Value?

Ganeshk — Tue, 09 May 2017 14:12:45 GMT

Hi,

I have table as shown below,

need to fill missing value as show below:

Re: How to fill this missing Value?

RW9 — Tue, 09 May 2017 14:23:30 GMT

Post test data in the form of a datastep!!

As such I am jsut guessing:

data want;
  set have (rename=(price=old_price));
  retain price;
  if old_price ne . then price=old_price;
run;