I'm looking to take the first row of each group in a table and create an additional row that has the value from the first column (prod) in the second column (comp). Basically, this is an unbundling of a product, where a product ID has components attached to it, but the actual product ID itself should also be considered part of the bundle (one of the components) when joining to other tables.
Have:
Prod | Comp |
x | 1 |
x | 2 |
x | 3 |
y | 1 |
y | 2 |
Want:
Prod | Comp |
x | x |
x | 1 |
x | 2 |
x | 3 |
y | y |
y | 1 |
y | 2 |
Use BY processing combined with an explicit output statement. You may have to tweak this if you want to maintain the order, and if you want to include character and numeric values in a single column - it will have to be a character variable.
data want;
set have;
by prod;
if first.prod then do;
output;
comp=prod;
output;
end;
else output;
run;
Use BY processing combined with an explicit output statement. You may have to tweak this if you want to maintain the order, and if you want to include character and numeric values in a single column - it will have to be a character variable.
data want;
set have;
by prod;
if first.prod then do;
output;
comp=prod;
output;
end;
else output;
run;
Are you ready for the spotlight? We're accepting content ideas for SAS Innovate 2025 to be held May 6-9 in Orlando, FL. The call is open until September 25. Read more here about why you should contribute and what is in it for you!
Learn how use the CAT functions in SAS to join values from multiple variables into a single value.
Find more tutorials on the SAS Users YouTube channel.