Hello everyone,
I have a survey with 3 measurement points.
The personal code for T1 (measurement time 1) and T2 (measurement time") is stored under the variable name "SERIAL".
For T0 (screening), however, the personal code was stored under the variables "OP01" and "OP02", since the test subjects were only assigned to the respective group (intervention group vs. control group) at a certain point.
Since I have to document all steps using a syntax for my work, my question is:
How can I create a new variable using syntax and insert the data from the variables "SERIAL", "OP01" and "OP02" into this variable (also using syntax)?
Thanks in advance.
Best regards
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Ilay Engin
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