Dear programmers,
How can I count a fixed variable in an easy way?
What I have is:
WELL_NAME |
A |
A |
A |
A |
A |
A |
A |
A |
A |
B |
B |
C |
C |
C |
C |
C |
C |
C |
C |
D |
D |
E |
E |
E |
E |
E |
E |
F |
F |
F |
F |
F |
F |
F |
F |
What I want is:
WELL_NAME | COUNT |
A | 1 |
A | 2 |
A | 3 |
A | 4 |
A | 5 |
A | 6 |
A | 7 |
A | 8 |
A | 9 |
B | 1 |
B | 2 |
C | 1 |
C | 2 |
C | 3 |
C | 4 |
C | 5 |
C | 6 |
C | 7 |
C | 8 |
D | 1 |
D | 2 |
E | 1 |
E | 2 |
E | 3 |
E | 4 |
E | 5 |
E | 6 |
F | 1 |
F | 2 |
F | 3 |
F | 4 |
F | 5 |
F | 6 |
F | 7 |
F | 8 |
Best regards
Farshid
Simple application of BY group processing.
data want;
set have;
by well_group;
count+1;
if first.well_group then count=1;
run;
Simple application of BY group processing.
data want;
set have;
by well_group;
count+1;
if first.well_group then count=1;
run;
This outlines how you can do this:
https://stats.idre.ucla.edu/sas/faq/how-can-i-create-an-enumeration-variable-by-groups/
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