Message-ID: <Pine.A41.4.33.0107311136380.55194-100000@homer19.u.washington.edu>
Date: 2001-07-31T18:37:21Z
From: Thomas Lumley
Subject: ARIMA0 question
In-Reply-To: <200107311824.NAA10472@uhddx01.dt.uh.edu>
On Tue, 31 Jul 2001, Erin Hodgess wrote:
> Dear R People:
>
> In library(ts), there is a function arima0
> to estimate the ARMA parameters. R 1.2.3, windows
>
> Sometimes when fitting a model, an error
> occurs in the optim procedure. This error
> stops the process (which is as it should be).
>
> When running a simulation with many iterations,
> this error will stop the entire simulation.
>
> My question is, please:
> What is the best way to get out of the arima0
> function when an error occurs without stopping
> the whole procedure?
One way around this problem is to wrap the calculation in the try()
function.
-thomas
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