Hello again!
I would like to ask you how to get from "have" to "wanna" base.
Have:
Company, Year,
A,2001
A,2002
A,2003
A,2004
B,2001
B,2002
B,2003
C,2001
C,2002
C,2003
C,2004
Wanna:
Company, Year,
A,2001
A,2002
A,2003
A,2004
C,2001
C,2002
C,2003
C,2004
I know the logic, but cannot really figure out the code...
I should assign e.g. item for every observation and delete each company which has item number <4
Thank you in advance!
select * from have group by company having count(distinct year)=4;
Xia Keshan
Well, few ways to do it in SQL, heres one:
proc sql;
create table want as
select company,year
from (
select *
,count(1) as tmp
from have
group by company
)
where tmp=4;
quit;
data have;
input Company $ Year;
cards;
A 2001
A 2002
A 2003
A 2004
B 2001
B 2002
B 2003
C 2001
C 2002
C 2003
C 2004
;
run;
proc sql;
select * from have group by company having count(*)=4;
quit;
select * from have group by company having count(distinct year)=4;
Xia Keshan
Build your skills. Make connections. Enjoy creative freedom. Maybe change the world. Registration is now open through August 30th. Visit the SAS Hackathon homepage.
Register today!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.
Select SAS Training centers are offering in-person courses. View upcoming courses for: