¡Thanks! Very well explained.
I'm now exporting the data from EpiData using STATA format, on separate files. And then handling some merge-append functions within R. I will record the commands to run them as a little R script to make it more automatic. At least, this is working. But it would be great, in a near future, to learn how to solve this automatic id problem within EpiData.
El 10/4/19 a las 11:48 a. m., EpiData development and support escribió:
Dear Omar Bautista:
You must have defined an identifier to be unique in File A, and the same variable as unique in File B. Let's say in file A, these are the records
id age A 34 B 40 C 21
In File B you have these:
id age B 45 D 56 E 18
In each of the files, "id" is unique, so no error message, but if you append the two you have a duplicate "id" (B), thus non-unique and resulting in an error message.
On 10-Apr-19 01:08, EpiData development and support wrote:
Hello Jens and EpiData users!
I trying to append some EpiData files. But I'm having a problem... I tried the same steps that are illustrated in this video:
But I'm having an error that is shown in the attached file.
Please, help me!