|  | Name | Description | 
|---|
|  | Transform(FuncObject) | Modifies the elements of this column by applying the given no-argument function to 
            each element. | 
|  | Transform(FuncObject, Object) | Modifies the elements of this column by applying the given unary function to 
            each element. | 
|  | Transform(FuncObject, Object, Object, DFGenericColumn) | Modifies the contents of this column by applying the given binary function
            to each element. The first parameter to the binary function is an element
            of self; the second parameter is the corresponding element of the passed 
            column. | 
|  | Transform(FuncObject, Object, Object, Object) | Modifies the contents of this column by applying the given binary function
            to each element. The first parameter to the binary function is 
            the column element; the second parameter is the passed object. |