Monthly Archives: August 2009

State of the Art in Parallel Computing with R: Now published

August 4, 2009
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Our survey paper on the current state of the art in parallel computing with R, previously mentioned here as a technical report is now out as Vol 31, Issue 1 of the all-electronic Journal of Statistical Software.

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State of the Art in Parallel Computing with R: Now published

August 4, 2009
By

Our survey paper on the current state of the art in parallel computing with R, previously mentioned here as a technical report is now out as Vol 31, Issue 1 of the all-electronic Journal of Statistical Software.

Read more »

State of the Art in Parallel Computing with R: Now published

August 4, 2009
By

Our survey paper on the current state of the art in parallel computing with R, previously mentioned here as a technical report is now out as Vol 31, Issue 1 of the all-electronic Journal of Statistical Software.

Read more »

R parser package on CRAN

August 4, 2009
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pre{ border: 1px solid black; font-family: "Courier New" !important; font-size: xx-small !important; }The parser package has been released to CRAN, the package mainly defines a function parser that is similar to the usual R function parse, w...

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Transfer files through Rserve

August 4, 2009
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This post is motivated by this question on R-help. This is a simple java class that sends files through Rserve using the classes RFileInputStream and RFileOutputStreamThen we create a simple file on the client machine:$ cat > testfile.tx...

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My mi presentation at the useR! 2009

August 4, 2009
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I have been to many conferences. Most of them are of Political Science. The common feature of these conferences is that the audience size is always small. If you get 10 audiences in your panel, your must be a big name.My presentation at the useR! 20...

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My mi presentation at the useR! 2009

August 4, 2009
By

I have been to many conferences. Most of them are of Political Science. The common feature of these conferences is that the audience size is always small. If you get 10 audiences in your panel, your must be a big name.My presentation at the useR! 20...

Read more »

Non-parametric methods for the study of the correlation: Spearman’s rank correlation coefficient and Kendall tau rank correlation coefficient

August 3, 2009
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We saw in the previous post, how to study the correlation between variables that follow a Gaussian distribution with the Pearson product-moment correlation coefficient. If it is not possible to assume that the values follow gaussian distributions, we have two non-parametric methods: the Spearman's rho test and Kendall's tau test.For example, you want to study the productivity...

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Non-parametric methods for the study of the correlation: Spearman’s rank correlation coefficient and Kendall tau rank correlation coefficient

August 3, 2009
By

We saw in the previous post, how to study the correlation between variables that follow a Gaussian distribution with the Pearson product-moment correlation coefficient. If it is not possible to assume that the values follow gaussian distributions, we have two non-parametric methods: the Spearman's rho test and Kendall's tau test.For example, you want to study the productivity...

Read more »

Rcpp 0.6.6

August 3, 2009
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Version 0.6.6 of Rcpp went off to CRAN and Debian earlier as another small maintenance release.While the diffstat output that will appear in cranberries may look impressive, it ste...

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