Hi, Ziad

I think you can do it with menu TOOLS > REVISE DATA FILE You will have to enter values for these new variables on the yet entered questionaires, for sure. Hope it helps,

Fúlvio Grups de Recerca d'Amèrica i Àfrica Llatines - UAB (Barcelona, Spain) Porto Alegre, Brazil

----- Mensagem original ---- De: "epidata-list-request@lists.umanitoba.ca" epidata-list-request@lists.umanitoba.ca Para: epidata-list@lists.umanitoba.ca Enviadas: Segunda-feira, 28 de Abril de 2008 19:09:21 Assunto: EpiData-list Digest, Vol 54, Issue 12

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1. How to keep data when modifying questionnaire (epidata-list@lists.umanitoba.ca) Hi, i started data entry and now need to add 2 new variables to the QES file, when i transfer the QES file into REC file, the old data disappeared, any tips how to avoid it?

Thank you in advance and best regards ziad

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