code: def fit_transform(self, data):
          
  
          self._setup_from_data(data)
          ret = self.transform_chain.fit_transform(data)
          self.__proxy__.update({"fitted" : True})
          return ret
docs: Fits and transforms the SFrame `data` using a fitted model.
  
          Parameters
          ----------
          data : SFrame
              The data  to be transformed.
  
          Returns
          -------
          A transformed SFrame.
  
          Returns
          -------
          out: SFrame
              A transformed SFrame.
  
          See Also
          --------
          fit, transform