Dataset one Dataset two
lang1 long1 lang2 long2
221 334 823 567
456 832 732 346
563 678 568 235
444 333
555 444
666 555
777 666
1002 890
1560 1021
1567 8946
2340 1290
3460 2230
How to loop through the two datasets in the following fashion and do the subtraction?
(221-823) (334-567)
(221-832) (334-346)
(221-568) (334-235)
(456-823) .
(456-732) .
(456-568) .
(563-823) .
(563-732) .
(563-568) .
. .
. .
. .
. .
. .
. .
(3460-823) (2230-567)
(3460-732) (2230-346)
(3460-568) (2230-235)
Subtraction
Try cartesian product and do the subtraction
something like this should work:
proc sql;
create table work.want as
select lang1
, lang2
, lang1-lang2 as lang_diff
, long1
, long2
, long1 - long2 as long_diff
from work.have1
cross join work.have2
;
quit;
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