Hi,
I have a simple problem to solve, 'dy' variable has samevalue for an entire section however it is missing in few rows under each section. I would like to copy the blanks with 'dy' value of that section. How can we do that without writing any loops in a simple code line. Please advise.
data test ; input section dy ; datalines; 1 . 1 . 1 . 1 33 1 33 1 33 1 33 1 . 1 . 1 . 2 44 2 44 2 44 2 . 2 . 2 . 2 44 2 44 ; run;
section | dy | desired_dy |
1 | . | 33 |
1 | . | 33 |
1 | . | 33 |
1 | 33 | 33 |
1 | 33 | 33 |
1 | 33 | 33 |
1 | 33 | 33 |
1 | 33 | |
1 | 33 | |
1 | 33 | |
2 | 44 | 44 |
2 | 44 | 44 |
2 | 44 | 44 |
2 | . | 44 |
2 | . | 44 |
2 | . | 44 |
2 | 44 | 44 |
2 | 44 | 44 |
Thank you
data test ;
input section dy ;
datalines;
1 .
1 .
1 .
1 33
1 33
1 33
1 33
1 .
1 .
1 .
2 44
2 44
2 44
2 .
2 .
2 .
2 44
2 44
;
run;
proc sort data=test;
by section descending dy ;
run;
data want;
update test(obs=0) test;
by section;
output;
run;
data test ;
input section dy ;
datalines;
1 .
1 .
1 .
1 33
1 33
1 33
1 33
1 .
1 .
1 .
2 44
2 44
2 44
2 .
2 .
2 .
2 44
2 44
;
run;
data want;
merge test test(rename=(dy=desired_dy) where=(desired_dy ne .));
by section;
run;
data test ;
input section dy ;
datalines;
1 .
1 .
1 .
1 33
1 33
1 33
1 33
1 .
1 .
1 .
2 44
2 44
2 44
2 .
2 .
2 .
2 44
2 44
;
run;
proc sort data=test;
by section descending dy ;
run;
data want;
update test(obs=0) test;
by section;
output;
run;
Available on demand!
Missed SAS Innovate Las Vegas? Watch all the action for free! View the keynotes, general sessions and 22 breakouts on demand.
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.