code: public Predictor month(int nyear, Month... months)
      {
          Object[] arr = new Object[months.length + 1];
          arr[0] = nyear;
          int index = 1;
          for (Month m : months)
          {
              arr[index++] = Double.valueOf(m.getValue());
          }
          input.add(new CommandLine<>(MONTH, 5, arr));
          return this;
      }
docs: The MONTH command indicates the year and months for which the analysis
  and prediction are to be performed.
  
  @param nyear indicates the year, but has no effect on the program
  calculations.
  @param months The program analysis and predictions are performed for each
  of the months the user specifies. The desired month can be specified in
  any order.
  @return