Monthly Archives: June 2012

R starter resources

June 8, 2012
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R starter resources

I’m hardly the first person you would want to talk to about learning statistics in R. But if you’re bent on teaching yourself R, and you’ve ended up at my blog, here are some resources I found useful. (No opinions here about whether R is good/bad better/worse than Excel, Minitab, Matlab, Octave, SPSS, Stata, SAS,

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Data Mining with R

June 8, 2012
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Earlier this week, Revolution Analytics' Joe Rickert gave a webinar Introduction to R for Data Mining. You can watch the replay below: If you're already familiar with R and the basics of data mining, you might want to skip ahead to the 13-minute mark where Joe's live demo begins. There you'll see practical examples of using R for decision...

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The world’s top seven airlines in the style of…

June 8, 2012
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The world’s top seven airlines in the style of…

The world’s top seven airlines in the style of NASA’s earth at night. (via Mapping the World’s Biggest Airlines | Spatial Analysis)

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Reproducible Research Using Sweave and LaTeX

June 8, 2012
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Reproducible Research Using Sweave and LaTeX

Here are the slides given during the Montreal R User Group workshop on April 30, 2012. RR-MtlRUsers.beamer

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RSMC 2011 Typhoon Tracks

June 8, 2012
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RSMC 2011 Typhoon Tracks

While at Puerto Princesa Airport in Palawan and waiting for my flight back to Manila, I opened my laptop and started doing what I usually do (practice may skills in R) on my idle time. With some inspirations from spatialanalysis.co.uk, I tried to make ...

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R, the master troll of statistical languages

June 8, 2012
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R, the master troll of statistical languages

Warning: what follows is a somewhat technical discussion of my love-hate relationship with the R statistical language, in which I somehow manage to waste 2,400 words talking about a single line of code. Reader discretion is advised. I’ve been using R to do most of my statistical analysis for about 7 or 8 years now–ever

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Universal portfolio, part 4

June 7, 2012
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Universal portfolio, part 4

The graph for figure 8.4 requires to be somehow careful about correctly lagging the CRP value when calculating the weights.# fig 8.4 of Cover "Universal Portfolios"require(logopt)x <- nyse.cover.1962.1984xik <- xnDays <- d...

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\STATE [algorithmic package]

June 7, 2012
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\STATE [algorithmic package]

I fought with my LαTεX compiler this morning as it did not want to deal with my code: looking on forums for incompatibilities between beamer and algorithmic, and adding all kinds of packages, to no avail. Until I realised one \STATE was missing: (This is connected with my AMSI public lecture on simulation, obviously!) Filed

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First R meeting in Bordeaux, France

June 7, 2012
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The program of the first R meeting that will be held in Bordeaux (France), the 2nd and 3rd of July, is now available at http://r2012.bordeaux.inria.fr/programme.html. It includes special sessions about mixed models, visualization, classification, data ...

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NBA Playoff Predictions Update 4 (5-3)

June 7, 2012
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NBA Playoff Predictions Update 4 (5-3)

This is update 4 to my original post about predicting the NBA playoffs with R. With the Thunder beating the Spurs and the Heat losing to the Celtics, the algorithm went 1-1 on predictions, making it 5-3 so far.Making some improvements I have been posting for some time about incorporating more data into the models, and I...

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