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David_Billa
Rhodochrosite | Level 12
 
4 REPLIES 4
David_Billa
Rhodochrosite | Level 12
Character
Kurt_Bremser
Super User

Then this should work:

data have;
input flg :$1. in_flow :$3. out_flow :$3. value $;
datalines;
N OUT XX 1
N XX IN 2
Y OUT XX 3
Y XX IN 4
X X X 5
;

proc sql;
create table want as
select
  have.*,
  CASE  
    WHEN FLG =  'N' and UPCASE (IN_FLOW)  =  'OUT' THEN (input(VALUE, BEST32.) * (-1))  
    when FLG =  'Y' and UPCASE (OUT_FLOW)  =  'IN' THEN (input(VALUE, BEST32.) * (-1))  
    ELSE (input(VALUE, BEST32.))  
  END as AMT
from have;
quit;

Note that, in the CASE clause, every THEN needs a WHEN.

FreelanceReinh
Jade | Level 19

Here's an equivalent alternative definition of AMT:

(-1)**(flg='N' & upcase(in_flow)='OUT' | flg='Y' & upcase(out_flow)='IN')*input(value,32.) as AMT

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