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Gets the attribute 'headings' from a 'TableMonster' class object
tmHeadings(x)
The 'headings' attribute of a 'TableMonster' object, a vector of character strings of length equal to the number of columns of the table.
An object of class 'TableMonster'
Grant Izmirlian
This is a required attribute for an object of class 'TableMonster'
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