Monthly Archives:2012年8月

Add Text Annotations to ggplot2 Faceted Plot

August 31,2012
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Add Text Annotations to ggplot2 Faceted Plot

根据我对R学习者的经验,有两种基本类型。“告诉我代码和它做什么,让我玩”类型和“请给我一步一步的方向”类型。I've broken the following tutorial … Continue reading →

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On School Boards and Policy Shocks

August 31,2012
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On School Boards and Policy Shocks

论文的过程有很多步骤。The prospectus or proposal is one of the last.不久前,我很幸运地得到了我的论文提案辩护和通过!My project is seeking to understand the linkage between political activity at...

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Compiling Source Packages on R 2.15.x / Mac OS 10.5.x

August 31,2012
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For some reason R is not happy with its 64-bit cousin when installing source packages:* installing *source* package ‘XMLSchema' ...** R** inst** preparing package for lazy loading** help*** installing help indices** building package indices** installing vignettes** testing if installed package can be loaded*** arch - i386*** arch - x86_64/Library/Frameworks/R.framework/Resources/bin/R: line 259: /Library/Frameworks/R.framework/Resources/bin/exec/x86_64/R: Bad CPU type in executable/Library/Frameworks/R.framework/Resources/bin/R: line 259:...

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RStan: Fast,multilevel Bayesian modeling in R

August 31,2012
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在过去的十年左右,the go-to software for Bayesian statisticians has been BUGS (and later the open-source incarnation,OpenBugs,or JAGS).Bug用于多级建模:使用专门的表示法,you can define random variables of various distributions,set Bayesian priors for their parameters,and create the network of relationships that describe how the random variables...

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Border bias and weighted kernels

August 31,2012
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Border bias and weighted kernels

With Ewen (aka @3wen),not only we have been playing on Twitter this month,我们还致力于空间过程密度的核估计。事实上,it is only a part of what he was working on,但关于核估计的那部分…

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在Mac OS 10.5上编译rgdal

August 31,2012
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为什么我总是忘记怎么做?r cmd install r gdal--configure args=“--with gdal config=/library/frameworks/gdal.framework/versions/current/unix/bin/gdal-config--with proj include=/library/frameworks/proj.framework/versions/4/headers/—with proj lib=/library/frameworks/proj.framework/versions/current/unix/lib/”,您需要根据您的gda版本调整路径。l和proj4框架。了解更多信息

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Russell 2000 Softail Fat Boy

August 31,2012
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Russell 2000 Softail Fat Boy

If the Russell 2000 were a motorcycle,maybe it should be a Harley-Davidson Softail Fat Boy.  I have explored the exception case of the Russell 2000 in quite a few posts More Exploration of Crazy RUT Where are the Fat Tails?Crazy RUT but I st...

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Another bunch of R (and JAGS) scripts

August 31,2012
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Another bunch of R (and JAGS) scripts

Probably sooner than I expected,我还设法上传了本书第5章中的示例代码,which deals with doing Bayesian health economic evaluations.Basically,there are 3 examples,which sort of represent the main clas...

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PCA或污染你的聪明分析

August 31,2012
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PCA或污染你的聪明分析

当我了解主成分分析(PCA)时金宝搏网址,I thought it would be really useful in big data analysis,但如果你想做预测,那就不是真的了。我在Kaggle的第一场比赛中试过PCA,但它坏的结果。This post illustrates how PCA can pollute good predictors.When I started examining this problem,我总是…

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利用ImageJ和R对多个图像进行聚类

August 31,2012
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30.08.2012 With Bio7 1.6 it is possible to send multiple images from ImageJ to R without the need to open them in the Graphical User Interface of ImageJ for speed improvements.With a simple script written in Java,Groovy or BeanShell a new Bio7 API command can be used (see below) to transfer images and

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