code: def predict_is(self, h):
          
          result = pd.DataFrame([self.run(h=h)[2]]).T  
          result.index = self.index[-h:]
          return result
docs: Outputs predictions for the Aggregate algorithm on the in-sample data
  
          Parameters
          ----------
          h : int
              How many steps to run the aggregating algorithm on 
  
          Returns
          ----------
          - pd.DataFrame of ensemble predictions