Monthly Archives: August 2010

Subset views in R

August 28, 2010
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Subset views in R

I don’t know how to do this in R. So let me just say why I can’t. I wanted something akin to Boost‘s sub-matrix views, where you can have indexes map back to the original matrix, so you don’t create … Continue reading →

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Blegging for Data

August 28, 2010
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I’m in the middle of a new project that involves analyzing the packages that are currently on CRAN. As part of my work, I could really benefit from information about which packages are installed on people’s computers. If you’re willing to part with a bit of your time and privacy, I’d very much appreciate you

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Patrick Burns is blogging

August 28, 2010
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Patrick Burns is blogging

Patrick Burns is the author of several helpful R resources, including A Guide for the Unwilling S User, The R Inferno, and S Poetry. He also wrote one of my favorite critiques of Microsoft Excel: Spreadsheet Addiction. His writing is witty, entertain...

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Mike’s CNC 2010-08-27 18:36:00

August 27, 2010
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Support the OpenGov idea to create a "Platform for number crunchers across (US Federal) government" HERE. A small team is building a small pilot and I'm happy to report that R appears on many of the posts. If you like the idea (or even if you don't),...

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Mike’s CNC 2010-08-27 18:36:00

August 27, 2010
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Support the OpenGov idea to create a "Platform for number crunchers across (US Federal) government" HERE. A small team is building a small pilot and I'm happy to report that R appears on many of the posts. If you like the idea (or even if you don't),...

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Fractals in R

August 27, 2010
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Fractals in R

Atte Tenkanen had a blog on fractals using R for a time. Much of his source code is still available online.  To produce his version of the Mandelbrot set:source('http://users.utu.fi/attenka/mandelbrot_set.R')Fractals (such...

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Fractals in R

August 27, 2010
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Fractals in R

Atte Tenkanen had a blog on fractals using R for a time. Much of his source code is still available online.  To produce his version of the Mandelbrot set:source('http://users.utu.fi/attenka/mandelbrot_set.R')Fractals (such...

Read more »

Because it’s Friday: How Machines Work

August 27, 2010
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Because it’s Friday: How Machines Work

Ever wondered how a sewing machine seemingly manages to knot stitches without ever releasing the thread? Well, wonder no more: Find this and other animations of marvels of engineering, including the universal velocity joint and the rotary engine, at the link below. World Of Technology: Complicated Mechanisms Explained in simple animations (via) http://mytechnologyworld9.blogspot.com/2010/08/complicated-mechanisms-explained-in.html

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Poll: Half of SAS users considering a switch

August 27, 2010
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A recent poll of KD Nuggets readers suggests that of those using SAS today, almost half (49.6%) are considering switching to a different system for statistical analysis. The poll was prompted by the recent high court decision in the UK, that affirmed that "WPS is lawful clone of SAS system" (as stated in a WPS press release). The exact...

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Matlab-style multiple assignment in R

August 26, 2010
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Matlab-style multiple assignment in R

R again! You know how in Matlab you can do? S, I = sort(M) I like that. R generic functions makes this possible. First, let’s genericize assignment. I feel like regular “=” and “<-” oughta stay nongeneric, so let’s make … Continue reading →

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