I have this table that have the volume for each product:
PRODUCT | VOLUME |
NK | 200 |
CN | 180 |
CY | 220 |
And another table the have the percentage share for each country:
REGION | SHARE |
AUSTRALIA | 0.45 |
CHINA | 0.55 |
I want this output, the propotion the volume of each product by each country
PRODUCT | REGION | VOLUME |
NK | AUSTRALIA | 90 |
NK | CHINA | 110 |
CN | AUSTRALIA | 81 |
CN | CHINA | 99 |
CY | AUSTRALIA | 99 |
CY | CHINA | 121 |
How do I achieve this in PROC SQL? I have simplified the table, in real there are more columns.
You're looking for a cross join or natural join.
You can use a.*, b.* to specify keeping all columns in each table.
proc sql;
create table want as
select a.*, b.*, a.volume*b.share as volume_proportion
from table1 as a
CROSS JOIN table2 as b
order by a.product, b.region;
quit;
You're looking for a cross join or natural join.
You can use a.*, b.* to specify keeping all columns in each table.
proc sql;
create table want as
select a.*, b.*, a.volume*b.share as volume_proportion
from table1 as a
CROSS JOIN table2 as b
order by a.product, b.region;
quit;
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