[EpiData-list] sum of two variables automatically

epidata-list at lists.umanitoba.ca epidata-list at lists.umanitoba.ca
Thu Aug 16 07:26:51 CDT 2012

This may be a stupid question,
 I used the new version of Epidata to create a database and I want to create an entry (V3)  the sum of the previous two entries (V1 + V2):
 V1 = x
 V2 = y
 V3 = sum (V1 + V2)
 Can someone give me the procedure or point me to a good tutorial?
 thank you very much
 = ps files are in format (. epx)

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