Triple Exponential Smoothing TSE

Posts: 5
Joined: Sat Oct 17, 2015 12:14 pm

Triple Exponential Smoothing TSE

Postby ja65 » Wed Feb 03, 2016 4:26 pm

Does the below statement allow you to retrieve directly the value for alpha, beta and gamma.
> hws6<-HoltWinters(sales)

If so, why do we conduct before below similar function (alpha = 0.2) ???
> hws1<-HoltWinters(sales, alpha=0.2, beta=FALSE,gamma=FALSE)

What criteria do we use to decide whether to apply SES, DES or TES model ?


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