Monthly Archives: August 2011

Roger Herriot Award

August 25, 2011
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At the Joint Statistical Meetings (Aug 2011), accepting the Roger Herriot Award for Innovation in Federal Statistics, I tipped my hat to pen-source software and three mentors.  I use the software (R, OpenBUGS, and MediaWiki) every d...

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"My interpretation of [Leland Wilkinson’s] grammar [of statistical graphics]: —Data is the most…"

August 25, 2011
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"My interpretation of [Leland Wilkinson’s] grammar [of statistical graphics]: —Data is the most…"

“My interpretation of grammar : —Data is the most important thing, and the thing that you bring to the table. —Geometric objects … what you actually see on the plot: points, lines, polygons, etc. ...

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"My interpretation of [Leland Wilkinson’s] grammar [of statistical graphics]: —Data is the most…"

August 25, 2011
By
"My interpretation of [Leland Wilkinson’s] grammar [of statistical graphics]:
—Data is the most…"

“My interpretation of grammar : —Data is the most important thing, and the thing that you bring to the table. —Geometric objects … what you actually see on the plot: points, lines, polygons, etc. ...

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Reproducible Econometric Research

August 25, 2011
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I doubt if anyone would deny the importance of being able to reproduce one's econometric results. More importantly, other researchers should be able to reproduce our results to verify (a) that we've done what we said we did; (b) to investigate the sensitivity of our results to the various choices we made (e.g., functional form of our model, choice...

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computational difficulties [with notations]

August 25, 2011
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computational difficulties [with notations]

Here is an email I received from Umberto: I have a doubt regarding the tempered transitions method you considered in your JASA article with Celeux and Hurn. On page 961 you detail the several steps for building a proposal for a given distribution by simulating through l tempered power densities. I am slightly confused regarding

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Things I learned at useR!2011

August 25, 2011
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Things I learned at useR!2011

The title says “things” but conferences are mainly about people. Some of it can be serendipitous.  For example, one day I sat next to Jonathan Rougier at lunch because I had a question for him about climate models.  When Jonathan left, I started a conversation with the person on my other side.  That was most … Continue reading...

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Forecasting time series using R

August 24, 2011
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I’ll be giving a talk on Forecasting time series using R for the Melbourne Users of R Network (MelbURN) on Thursday 27 October 2011 at 6pm. I will look at the various facilities for time series forecasting available in R, concentrating on the forecast package. This package implements several automatic methods for forecasting time series

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Modest Modeest for Moving Average

August 24, 2011
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Modest Modeest for Moving Average

I have no idea who originated the idea of using moving averages to determine entry and exit points in a trading system.  I do know that Mebane Faber (briefly discussed in Shorting Mebane Faber) has recently popularized the notion through his >7...

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New R User Group at University of Utah

August 24, 2011
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There's a new local R user group in Salt Lake City, based at the University of Utah. (There used to be another group in Salt Lake devoted to R/Weka/Processing, but it appears to now be defunct.) This new group has been meeting regularly for some time, and their next meeting, on September 9, will be devoted to short talks...

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le logiciel R

August 24, 2011
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le logiciel R

For once, here is a book review I wrote in French about the book Le logiciel R, written by Pierre Lafaye de Micheaux (Université de Montréal), Rémy Drouilhet (Université de Grenoble 2) and Benoît Liquet (Université de Bordeaux 2): Ce livre édité par Springer (dans la même collection que Le Choix Bayesien) propose une couverture

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