missing values for that variable from every table even if the variable does not appear in
the TABLE statement for one or more tables.
If you specify the MISSING option in the PROC TABULATE statement, then the
procedure considers missing values as valid levels for all class variables. If you specify
the MISSING option in a CLASS statement, then PROC TABULATE considers missing
values as valid levels for the class variables that are specified in that CLASS statement.
CLASSLEV Statement
Specifies a style element for class variable level value headings.
Restriction:This statement affects only non-LISTING destinations.
Examples:“Example 14: Specifying ...
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