Monthly Archives: February 2011

RQuantLib 0.3.6

February 23, 2011
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A bug-fix release RQuantLib 0.3.6 is now on CRAN and in Debian. RQuantLib combines (some of) the quantitative analytics of QuantLib with the R statistical computing environment and language. There are only two changes to two files where an explic...

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Experimental S4 Classes and Methods added to AQP (Algorithms for Quantitative Pedology) Package

February 23, 2011
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Experimental S4 Classes and Methods added to AQP (Algorithms for Quantitative Pedology) Package

Thanks to some help from Pierre Roudier, the aqp package now has some new S4-style classes and methods-- custom tailored to the complexities of soil profile data. These new classes/methods are only available in the aqp development branch, found on our ...

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R/Finance 2011

February 23, 2011
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R/Finance 2011

I will be speaking at R/Finance 2011 in Chicago at the end of April regarding the futile.paradigm, my R language …Continue reading »

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Statistics and Computing and ABC

February 23, 2011
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Statistics and Computing and ABC

Statistics and Computing has received several papers on ABC and plans to make a special ABC issue out of these. All submissions prior to June 2011 that will be accepted will be published in this special issue. The special issue is identified as an article type on the on-line page. In case of questions or

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sab-R-metrics: Basic Applied Regression (OLS)

February 23, 2011
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sab-R-metrics: Basic Applied Regression (OLS)

Today, I'll again be using a new data set that can be found here at my website (called 'leagueoutcomes.csv'). The data set includes the standings results of the 2009 season for MLB along with average game attendance by team. I'll use this to go over some basic regression techniques and tools in R. Hopefully this...

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Course: Machine Learning with R

February 22, 2011
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Starting on March 5 at the Hacker Dojo in Mountain View (CA), Mike Bowles and Patricia Hoffmann will present a course on Machine Learning where R will be the "lingua franca" for looking at homework problems, discussing them and comparing different solution approaches. The class will begin at the level of elementary probability and statistics and from that background...

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My R setup with Mac OS X

February 22, 2011
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My R setup with Mac OS X

The eco-system of R is largely Ubuntu and SVN, so Mac users sometimes find themselves a bit out of place, shall we say. But let's not bad high-school memories about not being in the in-crowd keep us from participating in the R world. With just a little...

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Stochastic approximation in mixtures

February 22, 2011
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Stochastic approximation in mixtures

On Friday, a 2008 paper on Stochastic Approximation and Newton’s Estimate of a Mixing Distribution by Ryan Martin and J.K. Ghosh was posted on arXiv. (I do not really see why it took so long to post on arXiv a 2008 Statistical Science paper but given that it is not available on project Euclid, it

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Calling BEDtools from R

February 22, 2011
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BEDtools suite provides command-line functionality when dealing with genomic coordinate based operations, such as overlapping bed files or getting coverage of a bed file over a genome (similar, not exactly same, functionality in R is provided by IRange...

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Get all your Questions Answered

February 22, 2011
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When I have a question I usually ask the internet before bugging my neighbor. Yet it seems like Google's search results have become increasingly irrelevant over the last few years, and this is especially true for searching anything related to R (and pr...

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