ID Variables

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.

To Specify the Input ID Variables:

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Specify an Input SAS Data Set.

All of the variables in the input data set are displayed in the Available Variables field.

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Examine the list of available variables.

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Highlight one or more variables.

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Click to add the highlighted variable to the ID Variables field, as shown below: