[EpiData-list] How to keep data when modifying questionnaire

epidata-list at lists.umanitoba.ca epidata-list at lists.umanitoba.ca
Mon Apr 28 06:13:13 CDT 2008


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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