code: def to_instants_dataframe(self, sql_ctx):
          
          ssql_ctx = sql_ctx._ssql_ctx
          jdf = self._jtsrdd.toInstantsDataFrame(ssql_ctx, -1)
          return DataFrame(jdf, sql_ctx)
docs: Returns a DataFrame of instants, each a horizontal slice of this TimeSeriesRDD at a time.
  
          This essentially transposes the TimeSeriesRDD, producing a DataFrame where each column
          is a key form one of the rows in the TimeSeriesRDD.