Monthly Archives: September 2010

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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Animation

September 25, 2010
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Animation

A couple hours work and we now have animations of the global anomalies: Created with the animation package in R.  The code examples were a bit terse about some of the details but after fiddling about I was able to get  the program to output an Html animation complete with java based playback controls. Write

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GotoBLAS2

September 25, 2010
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Here are some tips to speedup matrix computation in R. The author did not provide any benchmark though.

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GotoBLAS2

September 25, 2010
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Here are some tips to speedup matrix computation in R. The author did not provide any benchmark though.

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Visualising questionnaires

September 25, 2010
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Visualising questionnaires

Last week I was shown the results of a workplace happiness questionnaire. The plots were ripe for a makeover. Most obviously, the pointless 3D effect needs removing, and the colour scheme is badly chosen.

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Two New R Packages: log4r and SortableHTMLTables

September 25, 2010
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I’ve just released two new packages for R: log4r and SortableHTMLTables. log4r is a minimal logging utility for R that’s inspired by the log4j family of logging tools. It has substantially fewer features than other logging tools for R, but it’s hopefully easier to use. SortableHTMLTables uses brew and the jQuery Tablesorter plugin to provide

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Damn Close 5.0

September 24, 2010
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Damn Close 5.0

Code will be in the drop box in a bit, once I shower:   This is a wholesale replacement of previous versions, completely rewritten in raster. It will be the base going forward. All of the analysis routines will be rewritten using raster.  For time series functionality I will continue to use zoo as that

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Find Duplicate Records in a File

September 24, 2010
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Find Duplicate Records in a File

In the world of data preparation a common task is to identify duplicate records in a file or data set.  A few years ago, I did most development work in Java, and shudder to think of the amount of code required to accomplish this sort of task. &nbs...

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Find Duplicate Records in a File

September 24, 2010
By
Find Duplicate Records in a File

In the world of data preparation a common task is to identify duplicate records in a file or data set.  A few years ago, I did most development work in Java, and shudder to think of the amount of code required to accomplish this sort of task. &nbs...

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Because it’s Friday: Statistician vs Scientist

September 24, 2010
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This video brings flashbacks for my days as a statistics consultant to a medical school. Some days we just weren't speaking the same language... (With thanks to reader MK for the tip: "It's funny because it is true...".)

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