[R] arma.predict?

Skanda Kallur; MEngg s2112930 at student.rmit.edu.au
Fri May 16 21:24:29 CEST 2003


Professor, thanks for the reply, I am using Auto Regression Moving Average arma()(sorry it wasnt ARMA) which comes under tseries package to fit my data and I am intending to predict with arma fitted data but couldnt find a method to do it. 

Interestingly, I found two packages at http://www.itp.phys.ethz.ch/econophysics/R/ which has packages called fbasic and fseries. fseries has arma.predict() but it threw some error, I wasnt able to install it. I would appreciate if you could have a look at it.

Regards

Skanda

-----Original Message-----
From: Prof Brian Ripley <ripley at stats.ox.ac.uk>
To: "Skanda Kallur; MEngg" <s2112930 at student.rmit.edu.au>
Date: Fri, 16 May 2003 19:29:37 +0100 (BST)
Subject: Re: [R] ARMA.predict?

On Sat, 17 May 2003, Skanda Kallur; MEngg wrote:

> Hi there,
> 
> Does anyone know how to predict ARMA? It doesn’t have either predict
> or forecast methods. I found couple of packages called fbasic and
> fseries at http://www.itp.phys.ethz.ch/econophysics/R/, which has
> “arma.predict” in it, but it doesn’t seem to be working. Any help
> in this regard would be appreciated. Thanks in advance.

Well,  R comes with arima and arima0 functions, and both have predict 
methods.  What is ARMA and where did you get it from?

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595



Skanda Kallur

"Prediction is very difficult, especially if it's about the future." 
--Niels Bohr




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