Monthly Archives:2009年12月

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,with my slight modificationh.x =

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关于R-blog金宝搏网址g188bet appers更新,a Happy new year,and one request

December 31,2009
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关于R-blog金宝搏网址g188bet appers更新,a Happy new year,and one request

你好,R-Bloggers的读者,188bet appI am excited to inform you that 188bet appR-bloggers has grown amazingly in the last few weeks.现在有29个博客参与其中,并与我们分享他们与R相关的文章和教程。I didn't even know that there where so many bloggers writing 金宝搏网址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,每个人。为了庆祝新年,enjoy this celebration of the workings of life from Harvard University.下面链接更多:每天3夸克:细胞的内部生命

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R/Finance 2010,April 16-17 in Chicago

December 31,2009
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今天是4月16-17日在芝加哥举行的R/Finance 2010年会议的最后一天。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.以下是关于会议的更多信息…金宝搏网址

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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.自从Evan主动下载和保存原始HTML数据以来,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.最近,大脑咀嚼的jd long over发布了一个很好的屏幕显示,说明plyr“只是工作”作为r的apply命令家族的替代品。有一组r函数(apply,sapply,lapply,tapply,EpIt,和蔼地说)那…

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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,现在看来,它也产生了政治影响:它一直处于…

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Top Ten Must-Have R Packages for Social Scientists

12月29日,2009
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这位政治科学家德鲁·康威已经为社会科学家列出了他十个“必备”的R包。I agree with him for the most part,他的列表强调了R(vis-a-vis-stata)在社会网络分析(s…

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启动发动机;这是一个Linux时代!

12月29日,2009
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启动发动机;这是一个Linux时代!

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,我仍然记得2000/2001年的记忆

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