re: update - this only changes the copy of data in memory; to make this permanent, use SAVEDATA. This is actually a good safeguard, rather than doing what EpiInfo did by rewriting the record during update.

re: the other questions, I cannot answer, but 'combine' was and EpiInfo fix to account for relational data that were stored in a single data table. I think I posted something about this earlier in the year on the list.

Jamie Hockin Canada

epidata-list@lists.umanitoba.ca wrote:

Hello, I have three questions :

• When will the command "combine" be operating in Epidata Analysis ?

• The second variable (qualitative in statistics) for the command "means"

("sexe" in the command "means age sexe") must be, in theory, string and created, in Epidata Entry, by "variable _". When it will be possible instead necessity of numeric variable ?

• The command "update" and the screen with data tables cannot modify data :

on the screen, the data are changed and not in the file... Why ?

Thank you

Bernard Branger, Nantes, France

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