Bug when simulating from class Arima about forecast HOT 5 CLOSED

It works for me:

require(forecast)Loading required package: forecastThis is forecast 4.04
simulate(auto.arima(as.vector(USAccDeaths)), 36)Time Series:
Start = 73
End = 108
Frequency = 1
[1] 8976.885 8843.774 8431.248 9176.573 8949.121 9226.621
8329.476 7765.910
[9] 7412.152 8898.623 9304.599 10030.991 9736.062 10471.036
9511.896 9859.120
[17] 8912.941 8763.352 8955.021 9100.882 8702.531 8187.939
8026.060 8886.508
[25] 10099.469 10545.922 9241.600 9350.487 10022.339 10110.712
9936.282 9390.152
[33] 8904.483 9895.867 9538.554 9234.253

Rob J Hyndman
Professor of Statistics, Monash University

www.robjhyndman.com

On Wed, Apr 10, 2013 at 9:36 AM, Jeffrey Wong [email protected]:

The command

simulate(auto.arima(as.vector(USAccDeaths)), 36)

yields Error in is.na(x) : 'x' is missing

but the example in simulate.Arima works perfectly fine (not using
auto.arima)

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Reply to this email directly or view it on GitHubhttps://github.com//issues/24
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from forecast.

My apologies, after upgrading to v 4.03 it works fine :)

from forecast.

I discovered some kind of conflict with package 'signal' version 0.7-3

require(signal); require(forecast)
simulate(auto.arima(as.vector(USAccDeaths)), 36)

produces the same error again. I think it is because the signal package has a function named filter, which conflicts with what forecast wants to use

from forecast.

OK. I'll change the call from filter() to stats:::filter() to avoid the
clash. Thanks for letting me know.

Rob J Hyndman

www.robjhyndman.com

On Wed, Apr 10, 2013 at 11:54 AM, Jeffrey Wong [email protected]:

I discovered some kind of conflict with package 'signal' version 0.7-3

require(signal); require(forecast)
simulate(auto.arima(as.vector(USAccDeaths)), 36)

produces the same error again. I think it is because the signal package
has a function named filter, which conflicts with what forecast wants to use

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Reply to this email directly or view it on GitHubhttps://github.com//issues/24#issuecomment-16151194
.

from forecast.

Fixed in v4.04

from forecast.