code: def to_pandas_dataframe(self):
          
          pd_index = self.index().to_pandas_index()
          return pd.DataFrame.from_items(self.collect()).set_index(pd_index)
docs: Pulls the contents of the RDD to the driver and places them in a Pandas DataFrame.
          
          Each record in the RDD becomes and column, and the DataFrame is indexed with a
          DatetimeIndex generated from this RDD's index.