[R] about yesterday predicted values

ripley@stats.ox.ac.uk ripley at stats.ox.ac.uk
Tue Mar 11 15:43:31 CET 2003


On Tue, 11 Mar 2003, Luis Silva wrote:

> I don't understand where is my problem. I tried the problem 
> suggested by Prof. Brian Ripley
> 
> data(USAccDeaths, package="ts")
> 
> and it worked. So this is not a machine or configuration 
> problem. This is my series (dataset1.ts)

And I get

> predict(dataset1.arima,n.ahead=10)
$pred
          Mar      Apr      May      Jun      Jul      Aug
2003 32986447 39173626 47310648 40640324 39324741 38512562
          Sep      Oct      Nov      Dec
2003 39260897 40137559 33531143 27533809

$se
         Mar     Apr     May     Jun     Jul     Aug     Sep
2003 2595395 2727065 2852947 3292592 3470692 3640270 3881904
         Oct     Nov     Dec
2003 4056851 4224638 4407507

so I have no idea, except it *is* `a machine or configuration problem'.

[...]

-- 
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



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