I'm trying to find a good open source software to do sales forecasting using Holt
Winters and Box Jenkins time series algorithm. Somebody pointed me that R is the best
open source available for statistical computing. Are there functions to do Holt
Winters and Box Jenkins time series prediction in R? If there is none, can some one
point me a good GNU/freeware to do the sales forecasting using the above algorithms?
Appreciate your help.
Thanks,
Gopal
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