Hi,
I have table as shown below,
Id | Date | Category | Price |
1 | 1/1/2001 | Jam | 12 |
2 | 1/2/2001 | Jam | |
3 | 1/3/2001 | Jam | |
4 | 1/4/2001 | Glocose | 13 |
5 | 1/5/2001 | Jam | 15 |
6 | 1/6/2001 | Jam | |
7 | 1/7/2001 | Glocose | 16 |
8 | 1/8/2001 | Glocose | |
9 | 1/9/2001 | Glocose |
need to fill missing value as show below:
Id | Date | Category | Price |
1 | 1/1/2001 | Jam | 12 |
2 | 1/2/2001 | Jam | 12 |
3 | 1/3/2001 | Jam | 12 |
4 | 1/4/2001 | Glocose | 13 |
5 | 1/5/2001 | Jam | 15 |
6 | 1/6/2001 | Jam | 15 |
7 | 1/7/2001 | Glocose | 16 |
8 | 1/8/2001 | Glocose | 16 |
9 | 1/9/2001 | Glocose | 16 |
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;
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