[R] Time-series moving average question

Bill Poling B|||@Po||ng @end|ng |rom ze||@@com
Fri Jun 1 17:57:22 CEST 2018

Hello Don, thank you for your response. I appreciate your help.

I am using the forecast package, originally I found it following a forecasting example on bloggers.com


And subsequently located the complete pdf https://cran.r-project.org/web/packages/forecast/forecast.pdf

Since I created this practice data using the structure() function I am unsure why there would be NA’s as there are none apparently in the structure?

No worries though, I am going to reach out to the package author.



From: MacQueen, Don [mailto:macqueen1 using llnl.gov]
Sent: Friday, June 01, 2018 11:24 AM
To: Bill Poling <Bill.Poling using zelis.com>; r-help (r-help using r-project.org) <r-help using r-project.org>
Subject: Re: [R] Time-series moving average question

My guess would be that if you inspect the output from
ma(dat3[1:28], order=3)
you will find some NAs in it. And then forecast() doesn't like NAs.

But I can't check, because I can't find the ma() and forecast() functions. I assume they come from some package you installed; it would be helpful to say which package.


Don MacQueen
Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
Lab cell 925-724-7509

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