Blog Archives

RPostgreSQL 0.1-7

October 17, 2010
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After a somewhat long hiatus, RPostgreSQL version 0.1-7 has now been released to CRAN. RPostgreSQL connects R to PostgreSQL database systems using the standard DBI interface. This version fixes a number of issues that had been compiled in the issu...

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RcppArmadillo 0.2.8

October 16, 2010
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Version 0.2.8 of RcppArmadillo is now on CRAN. This updates the included Armadillo template library to version 0.9.90 which Conrad released two few days ago. RcppArmadillo makes it easy to write highly efficient and highly readable C++ code for line...

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Rcpp 0.8.7

October 15, 2010
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With the scheduled R release of version 2.12.0 this morning, we have just uploaded version 0.8.7 of Rcpp to CRAN; Debian will follow shortly once the autobuilders have processed R 2.12.0 This Rcpp release depends on R 2.12.0 as two things have cha...

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Chicago Marathon 2010

October 11, 2010
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It's the Monday of the Columbus Day weekend here, so I must have been running a Chicago Marathon yesterday. Indeed -- the 34th annual Chicago Marathon took place yesterday but everything was about its 10/10/10 date. The symmetric set of numbers was i...

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More BLAS, BLASter, BLAStest: Updates on gcbd

October 3, 2010
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More BLAS, BLASter, BLAStest: Updates on gcbd

Following up on my initial post announcing gcbd, here is a brief note on a new version. The initial post announced version 0.2.2 which was the first CRAN version of gcbd. I updated to 0.2.3 when I made the aforementioned first blog post about gcbd w...

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RcppArmadillo 0.2.7

September 26, 2010
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Version 0.2.7 of RcppArmadillo is now on CRAN. This updates the included Armadillo template library to version 0.9.80 which Conrad released a few days ago. RcppArmadillo makes it easy to write highly efficient and highly readable C++ code for linear...

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R / Finance 2011 Call for Papers

September 24, 2010
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Brian announced it on r-help and r-sig-finance and I have since updated the R/Finance website and Call for Papers page. And as David Smith already outblogged me about it, without further ado our Call for Paper for next spring's R/Finance conference: ...

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R Project and Google Summer of Code: Wrapping up

September 23, 2010
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R Project and Google Summer of Code: Wrapping up

As this year's admin, I wrote up the following summary which has now been posted at the R site in the appropriate slot. My thanks to this year's students, fellow mentors and everybody else who helped to make it happen. ...

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BLAS, BLASter, BLAStest: Some benchmark results, and a benchmarking framework

September 15, 2010
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BLAS, BLASter, BLAStest: Some benchmark results, and a benchmarking framework

Usage of accelerated BLAS libraries seems to shrouded in some mystery, judging from somewhat regularly recurring requests for help on lists such as r-sig-hpc (gmane version), the R list dedicated to High-Performance Computing. Yet it doesn't have to b...

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RcppArmadillo 0.2.6

September 13, 2010
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Now that Rcpp got updated to 0.8.6, we have an updated RcppArmadillo release containing mostly updates to Conrad's Armadillo version 0.9.70 as well as some more templated sugar magic. RcppArmadillo makes it easy to write highly efficient and highly ...

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