|  | Name | Description | 
|---|
|  | Apply(String, FuncBoolean, Boolean) | Returns a new column with the given name and same size as this 
            column, whose values are the result of applying the given unary 
            function to each element of this column. | 
|  | Apply(String, FuncBoolean, Boolean, Boolean, DFBoolColumn) | Returns a new column with the given name and same size as this 
            column, whose values are the result of applying the given binary 
            function to each element of this column.
            The first parameter to the binary function is an element of self; the
            second parameter is the corresponding element of the passed column. | 
|  | Apply(String, FuncBoolean, Boolean, Boolean, Boolean) | Returns a new column with the given name and same size as this 
            column, whose values are the result of applying the given binary 
            function to each element of this column. 
            The first parameter to the binary function is an element of self; 
            the second parameter is the passed boolean. |