Monthly Archives: December 2009

Happy New Year with R

December 31, 2009
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I have to admit that the previous post on Christmas is actually not much fun. Today I received another pResent from Yixuan which is more interesting: Basically the code deals with letter polygons (i.e. glyphs) and plot them with proper projections from 3D to 2D space: ## original code by Yixuan <[email protected]>, with my slight modification h.x =

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Updates about R-bloggers, a Happy new year, and one request

December 31, 2009
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Updates about R-bloggers, a Happy new year, and one request

Hello dear reader of R-bloggers, I am excited to inform you that R-bloggers has grown amazingly in the last few weeks. There are now 29 blogs participating and sharing their R related articles and tutorials with the rest of us. I didn’t even know that there where so many bloggers writing about R until now. Until now (according to google analytics,...

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Because it’s Friday: The inner life of a cell

December 31, 2009
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Happy New Year, everyone. In celebration of the New Year, enjoy this celebration of the workings of life from Harvard University. More at the link below: 3 Quarks Daily: The inner life of the cell

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R/Finance 2010, April 16-17 in Chicago

December 31, 2009
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Today is the last day to submit abstracts for the R/Finance 2010 conference to be held in Chicago on April 16-17. If you're not planning on speaking, but are interested in applications of R in Finance, be sure to add this to your calendar -- last year's conference was an outstanding event. Here's some more information about the conference...

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R in the NYT

December 30, 2009
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The statistical package R received a positive overview in the New York Times recently.

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Brief Analysis of Abdulmutallab (Christmas Day bomber) Web Posting Data

December 30, 2009
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Brief Analysis of Abdulmutallab (Christmas Day bomber) Web Posting Data

Thanks to Evan Kohlman at the NEFA Foundation for compiling, and Danger Room for publicizing, the data set of all of Farouk Abdulmutallab’s posts to the Islamic Forum on Gawaher.com. Since Evan took the initiative to download and save the raw HTML data, I thought it would be useful to go one step

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Use plyr instead of _apply() in R

December 30, 2009
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I've covered plyr once before, showing you how to get means and variances for two quantitative traits across multilocus genotypes. JD Long over at Cerebral Mastication recently posted a nice screencast illustrating how plyr "just works" as an alternative to R's family of apply commands.  There's a set of R functions (apply, sapply, lapply, tapply, eapply, and rapply) that...

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What’s up with Darwin’s weather?

December 30, 2009
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What’s up with Darwin’s weather?

Darwin is a the capital city of Australia's Northern Territory. Lying on the coast of far Northern Australia, it's situated well in the tropics and as a result has hot, steamy, monsoonal weather. Darwin's weather has already had impact on urban culture, and now it seems it's had a political impact too: it's been at in the middle of...

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Top Ten Must-Have R Packages for Social Scientists

December 29, 2009
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The political scientist Drew Conway has come up with a useful list of his ten "must-have" R packages for social scientists. I agree with him for the most part, and his list highlights the usefulness of R (vis-a-vis Stata) for social network analysis (s...

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Start your engines; it’s a Linux era!

December 29, 2009
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Start your engines; it’s a Linux era!

Well, I’m writing this from my new system. After years on hiatus I migrated to Linux, once again. Setting up a full system on Linux for a Greek user had been one of the greatest challenges. First,of all setting up writing, reading & printing in Greek was the biggest obstacle, I still recall memories of 2000/2001

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