Re: double exponential smoothing

On 2010-11-23, at 9:39, Frederic Parrenin <parrenin gmail com> wrote:

Note that the statistics tools provide Holt's trend corrected
exponential smoothing, as well as Additive  and Muliplicative
Holt-Winters exponential smoothing.

These methods handle trends and seasons.

Thank you for the information.
Would it be possible to implement them in graphs?

The tools create appropriate graphs for you.


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