Happy World Statistics Day!
The United Nations has declared today “World Statistics Day”. I’ve no idea what that means, or why we need a WSD. Perhaps it is because the date is 20.10.2010 (except in North America where it is...
View ArticleHow to avoid annoying a referee
It’s not a good idea to annoy the referees of your paper. They make recommendations to the editor about your work and it is best to keep them happy. There is an interesting discussion on...
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CrossValidated launched!
The CrossValidated Q&A site is now out of beta and the new design and site name is live. New design The new design looks great, thanks to Jin Yang, our designer-in-residence. Note the normal...
View ArticleCrossValidated Journal Club
Journal Clubs are a great way to learn new research ideas and to keep up with the literature. The idea is that a group of people get together every week or so to discuss a paper of joint interest. This...
View ArticleSocial networking for researchers
It would be nice to have a place to share ideas, links, comments in a very informal way with others involved in research in statistical methodology and data science. CrossValidated.com is great for...
View ArticleAcademia StackExchange
There’s a new StackExchange site that might be useful to readers: Academia. It is a Q&A site for academics and those enrolled in higher education. The draft FAQ says it will cover: Life as a...
View ArticleSeeking help
Every day I receive emails, or comments on this blog, asking for help with R, forecasting, LaTeX, possible research topics, how to install software, or some other thing I’m supposed to know something...
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Forecasting annual totals from monthly data
This question was posed on crossvalidated.com: I have a monthly time series (for 2009–2012 non-stationary, with seasonality). I can use ARIMA (or ETS) to obtain point and interval forecasts for each...
View ArticleInterview for the Capital of Statistics
Earo Wang recently interviewed me for the Chinese website Capital of Statistics. The English transcript of the intervew is on Earo’s personal website. This is the third interview I’ve done in the last...
View ArticleSpecifying complicated groups of time series in hts
With the latest version of the hts package for R, it is now possible to specify rather complicated grouping structures relatively easily. All aggregation structures can be represented as hierarchies or...
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