Response to the following question:
I have been using basic smoothing techniques such as moving average, median smoothing and exponential smoothing to generate forcasts for the time series in the excel file. I would like to know if more advanced smoothing techniques would give better results. The columns in the file are a time series of performance figures for 16 football teams over about 4 years. The best results I've achieved so far, are with exponential smoothing with w=0.2 . If more advanced techniques would improve forcasts, please give a brief explanation of the type of technique used.
Attachment:- Data.rar