Message-ID: <4E98091D.8050800@auckland.ac.nz>
Date: 2011-10-14T10:04:13Z
From: David Scott
Subject: Fitting a Harmonic Function to Time Series Data
In-Reply-To: <1318507204460-3901266.post@n4.nabble.com>
On 14/10/2011 1:00 a.m., ashz wrote:
> Dear All,
>
> I have some time series data where X=month and Y=nutrient concentration (I
> can have several concentration data for one month). Is there a way to fit
> for it an Harmonic Function. Is there a package, script,etc which I can use?
>
> Thx
>
>
Possibly there is this functionality in Rob Hyndman's forecast package.
See this post by him:
http://robjhyndman.com/researchtips/longseasonality/
which has some code which should also be of use.
David Scott
_________________________________________________________________
David Scott Department of Statistics
The University of Auckland, PB 92019
Auckland 1142, NEW ZEALAND
Phone: +64 9 923 5055, or +64 9 373 7599 ext 85055
Email: d.scott at auckland.ac.nz, Fax: +64 9 373 7018