Dear Expert,
I want to extract the latest date from the date time stamp values.
here is the sample code.
data HAVE;
input ID$ dt;
informat dt datetime.;
format dt datetime.;
cards;
A 21MAY2018:09:27:00
A 21MAY2018:09:29:00
B 21MAY2018:09:30:01
B 21MAY2018:09:35:00
C 21MAY2018:09:40:00
C 21MAY2018:09:40:01
C 21MAY2018:09:40:10
C 21MAY2018:09:41:10
run;
PROC SQL;
CREATE TABLE WANT AS
SELECT ID,DT
FROM
HAVE
GROUP BY ID
HAVING MAX(ID)
ORDER BY ID,DT;
QUIT;
EXPECTED OUTPUT
FINAL RESULT
A 21MAY2018:09:29:00
B 21MAY2018:09:35:00
C 21MAY2018:09:41:10
data HAVE;
input ID$ dt;
informat dt datetime.;
format dt datetime.;
cards;
A 21MAY2018:09:27:00
A 21MAY2018:09:29:00
B 21MAY2018:09:30:01
B 21MAY2018:09:35:00
C 21MAY2018:09:40:00
C 21MAY2018:09:40:01
C 21MAY2018:09:40:10
C 21MAY2018:09:41:10
;
run;
proc sql;
create table want as
select id,max(dt) as dt format=datetime.
from have
group by id;
quit;
proc sql;
create table want as
select id, dt
from have
group by id
having dt = max(dt);
quit;
data HAVE;
input ID$ dt;
informat dt datetime.;
format dt datetime.;
cards;
A 21MAY2018:09:27:00
A 21MAY2018:09:29:00
B 21MAY2018:09:30:01
B 21MAY2018:09:35:00
C 21MAY2018:09:40:00
C 21MAY2018:09:40:01
C 21MAY2018:09:40:10
C 21MAY2018:09:41:10
;
run;
proc sql;
create table want as
select id,max(dt) as dt format=datetime.
from have
group by id;
quit;
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