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The Unable to Add Variable dialog displays when you attempt to add a numeric variable, with no axis expression, to an existing table or when youattempt to create a new table. The dialog provides the following options:
• Create Numeric Summary Click to add summary statistics to the numeric variable. See the topic Adding summary statistics to a numeric variable for more information.
• Edit Variable... Click to launch the Edit Variable dialog and specify the content of variables when they appear in your tables. See the topic Edit Variable dialog box for more information.
• Categorize... Click to launch the Simple Categorization dialog and perform simple, non-linguistic categorization of variables by converting Text, Date or Numeric variables, which cannot be directly used in table tabulation, to Categorical variables. See the topic Simple categorization for more information.