parameters: (self)
return_statement: return self.nunique(dropna=False) == len(self)
docstring: Return boolean if values in the object are unique.
  
          Returns
          -------
          is_unique : boolean
docstring_summary: Return boolean if values in the object are unique.
docstring_tokens: Return boolean if values in the object are unique .
function: def is_unique(self):
          """
          Return boolean if values in the object are unique.
  
          Returns
          -------
          is_unique : boolean
          """
          return self.nunique(dropna=False) == len(self)
function_tokens: def is_unique ( self ) : return self . nunique ( dropna = False ) == len ( self )