Hi
So i have data for sales for two years for different companies:
Company_code Sales Year
1 5 01
1 25 05
2 150 01
2 75 05
4 1 01
4 9 05
etc.
I now would like to create a dataset with the change in sales from year, such as:
Company_code DiffSales
1 20
2 -75
4 8
Is it possible to do this with proc sql? I am new to SAS, so help is much appreciated.
Thanks
assuming you only have two years of data and each company has two years;;;
proc sql;
create table want as
select
t1.company_code,
t2.sales - t1.sales as diffSales
from
have t1
inner join have t2
on t1.company = t2.company
and t1.year <> t2.year
where
t1.year='01';
quit;
assuming you only have two years of data and each company has two years;;;
proc sql;
create table want as
select
t1.company_code,
t2.sales - t1.sales as diffSales
from
have t1
inner join have t2
on t1.company = t2.company
and t1.year <> t2.year
where
t1.year='01';
quit;
Thanks!
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