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sheriberi
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Quote sheriberi Replybullet Topic: if, then, else formula
    Posted: 12 Dec 2013 at 9:06am
I have the most basic formula that isn't working.  Patients that have diabetes exist in the DIABETES table, and those that do not have it are not in the  DIABETES table.  I want to show all patients with a Y or N in that column indicating if they have diabetes.
 
if ({PATIENT.PAT_ID} = {DIABETES.PAT_ID})
then "Y"
else "N"
 
I am getting a Y for patients that exist in the DIABETES table, but am not getting the N for patients that don't.
 
The DIABETES table is left joined to the PATIENT table by PAT_ID
 
This should be working and its crazy that it isn't.
Any ideas?
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kevlray
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Quote kevlray Replybullet Posted: 12 Dec 2013 at 12:03pm
I would think you would want a left outer join to the DIABETES table then you would just need to say

if isnull({DIABETES.PAT_ID}) then "N" else "Y"

You may need to change the 'Exception for Nulls' to 'Default Values for Nulls' in the formula editor.
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