[R] Default value of the option initial in the ses function in the forecast package.

[peter dalgaard]

The first one, i.e. "optimal"; check help for match.arg() for the idiom.

-pd


> On 2 Oct 2017, at 11:48 , Ashim Kapoor <ashimkapoor at gmail.com> wrote:
> 
> Dear All,
> 
> I am trying to use the function ses from the forecast package.
> 
> From its help I have :
> 
> Usage:
> 
>     ses(y, h = 10, level = c(80, 95), fan = FALSE, initial = c("optimal",
>       "simple"), alpha = NULL, lambda = NULL, biasadj = FALSE, x = y, ...)
> 
> My query is that if I do not mention the initial value will its default
> value be "optimal".
> 
> A MWE would be  :
> 
> library(fpp)
> oildata <- window(oil,start=1996,end=2007)
> fit3 <- ses(oildata, h=3)
> 
> In the above is the default value of initial "optimal" or "simple" ?
> 
> Note I have taken this example from https://www.otexts.org/fpp/7/1
> 
> Best Regards,
> Ashim
> 
> 	[[alternative HTML version deleted]]
> 
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-- 
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Office: A 4.23
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com