Use this field to specify a
variable
containing a unique value for each test used to merge the results from the different studies.
Each test must have the same ID value in the different study data sets, though the name of the variable can be different and specified on the
Other Variable Names
tab.
All of the variables in the input data set are displayed in the
Available Variables
field.
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Click
to add the highlighted variable to the
ID Variable
field, as shown below:
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