Use this field to specify a variables used to uniquely identify lines or rows n the input data set.
The ID variables are used to create a _cross_ variable in the output file. If no variables are specified, the row number is used to create a _cross_ variable.
All of the variables in the input data set are displayed in the Available Variables field.
|
Click
 to add the highlighted variable to the ID Variables field, as shown below: |
