Monthly Archives: June 2010

oro.dicom 0.2.6

June 10, 2010
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The latest version of oro.dicom (0.2.6) has been released on CRAN. New features/improvements include:33% increase in the speed of DICOM file handlingAutomatic re-orientation/re-slicing of 3D and 4D volumes when converting from DICOM to NIfTI formatWo...

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oro.dicom 0.2.6

June 10, 2010
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The latest version of oro.dicom (0.2.6) has been released on CRAN. New features/improvements include:33% increase in the speed of DICOM file handlingAutomatic re-orientation/re-slicing of 3D and 4D volumes when converting from DICOM to NIfTI formatWo...

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Rcpp 0.8.2

June 10, 2010
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A bug fix release Rcpp version 0.8.2 is now on CRAN and Debian. It contains some fixes for Sun compiler, but no user-visible changes and complements the Rcpp 0.8.1 release made Tuesday. Our thanks to Brian Ripley for help with the portability tests for...

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Rcpp 0.8.2

June 10, 2010
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A bug fix release Rcpp version 0.8.2 is now on CRAN and Debian. It contains some fixes for Sun compiler, but no user-visible changes and complements the Rcpp 0.8.1 release made Tuesday. Our thanks to Brian Ripley for help with the portability tests ...

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RcppArmadillo 0.2.2

June 9, 2010
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Following the Rcpp 0.8.1 release we made yesterday, we released RcppArmadillo release 0.2.2 this morning. RcppArmadillo uses Rcpp (and some 'glue' code) to provide a transparent interface from R to Conrad Sanderson's impressive Armadillo library for li...

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RcppArmadillo 0.2.2

Following the Rcpp 0.8.1 release we made yesterday, we released RcppArmadillo release 0.2.2 this morning. RcppArmadillo uses Rcpp (and some 'glue' code) to provide a transparent interface from R to Conrad Sanderson's impressive Armadillo library for...

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Data Mining with WEKA example implemented in R

June 9, 2010
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Data Mining with WEKA example implemented in R

IBM Developer Works has several new articles on Data Mining with WEKA by Michael Abernethy. I decided to implement the example provided in the first article in the series using R. I realize that I could have used WEKA through R (using the RWeka packa...

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3 lines of R code to Process a Web Service

June 9, 2010
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3 lines of R code to Process a Web Service

Ruby is well known for its terse syntax and ability to process web services. I prefer JSON (Javascript Object Notation) to XML whenever possible. For example, a script to retrieve a list of World Bank Data takes all of three lines of code (after in...

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Thoughts on Making Data Work

June 9, 2010
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I really enjoyed all four talks at today's online conference, Making Data Work. (Disclosure: Revolution sponsored this conference.) I thought the four speakers together gave a great overview of issues related to the processing, analysis, and visualization of big data. Mike Driscoll started off with a useful categorization for data size. "Small Data" (<10Gb) fits in the memory of...

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Pegging your multicore CPU in Revolution R, Good and Bad

June 9, 2010
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Pegging your multicore CPU in Revolution R, Good and Bad

I take an almost unhealthy pleasure in pushing my computer to its limits. This has become easier with Revolution R and its free license for academic use. One of its best features is debugger that allows you to step through … Continue reading →

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