Please look at the help page for arima.sim(). You first argument is being
matched to 'rand.gen', and is not a function.
I suspect you meant to call arima().
On Tue, 7 Mar 2006, (s) Richard Nuttall wrote:
> hi,
>
> I am trying to fit an ARIMA model to some time series data, I have used
differencing to make the data stationary.
>
> dailyibm is the data I am using, could someone please help out in
identifying the coding as I can't seem to identify the problem
>
> many thanks
>
>> fit.ma <- arima.sim(dailyibm - mean(dailyibm),
model=list(order=c(0,1,0)),n = 3333)
>
> Error in inherits(x, "data.frame") : couldn't find function
"rand.gen"
>
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--
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)
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