I have a dataset which has grades and variable named chk. what i want it from is to get grades which are more than the one initially i.e chk gt 0
DATA work.check;
LENGTH
ID 8
grade 8
chk 8 ;
FORMAT
ID BEST12.
grade BEST12.
chk BEST12. ;
INFORMAT
ID BEST12.
grade BEST12.
chk BEST12. ;
INFILE DATALINES4
DLM='7F'x
MISSOVER
DSD ;
INPUT
ID : BEST32.
grade : BEST32.
chk : BEST32. ;
DATALINES4;
110
110
121
220
221
211
211
320
310
331
;;;;
something like this since ID 1 has more grade than it has in chk=0 and ID=3 has grade=3 which is more than in chk=0.
ID | grade | chk |
1 | 2 | 1 |
3 | 3 | 1 |
Not sure how to do it programmatically. Any help
Something like this:
proc sql;
create table want as
select *
from check
where chk = 1
group by id
having grade = max(grade)
;
quit;
?
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