This table includes a category with missing values of Computer. This category makes up
the first row of data in the table.
Output 59.7Computer Sales Data: Missing Values for Computer
Formatting Headings for Observations with Missing Class Variables
By default, as shown in the output “Computer Sales Data: Missing Values for
Computer”, PROC TABULATE displays missing values of a class variable as one of the
standard SAS characters for missing values (a period, a blank, an underscore, or one of
the letters A through Z). If you want to display something else instead, then you must
assign a format to the class variable that has missing values, as shown ...
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