Blog Archives

Monthly seasonality

May 2, 2017
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I regularly get asked why I don’t consider monthly seasonality in my models for daily or sub-daily time series. For example, this recent comment on my post on seasonal periods, or this comment on my post on daily data. The fact is, I’ve never seen a time series with monthly seasonality, although that does not mean it does...

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Converting to blogdown

April 29, 2017
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This website has gone through several major updates over the years. It began in 1993 as some handcrafted html files, transitioned to Joomla and later to Wordpress. Then it slowly grew into a collection of ten connected Wordpress installations that became increasingly difficult to maintain, and rather slow. So I’ve now converted the entire site to Blogdown/Hugo. Nearly 700 pages...

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Software for honours students

April 4, 2017
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I spoke to our new crop of honours students this morning. Here are my slides, example files and links. Managing References Mendeley Zotero Paperpile Data analysis and computation Download R Download Rstudio Online R tutorial R packages fo...

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Follow-up forecasting forum in Eindhoven

March 7, 2017
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Last October I gave a 3-day masterclass on “Forecasting with R” in Eindhoven, Netherlands. There is a follow-up event planned for Tuesday 18 April 2017. It is particularly designed for people who attended the 3-day class, but if anyone else wants to attend they would be welcome. Please register here if you want to attend. The preliminary schedule is...

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forecast 8.0

February 28, 2017
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forecast 8.0

In what is now a roughly annual event, the forecast package has been updated on CRAN with a new version, this time 8.0. A few of the more important new features are described below. Check residuals A common task when building forecasting models is to check that the residuals satisfy some assumptions (that they are uncorrelated, normally distributed, etc.). The...

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