Monthly Archives:2013年2月

用xtsextra plot.xts绘制阴影和点

February 28,2013
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用xtsextra plot.xts绘制阴影和点

出于某种原因,我觉得这里描述的xtsextra包中的plot.xts函数比其他更精致的r图形包有更好的控制能力。也许吧,it is just my simple mind,but recently I wanted to shade holding per...

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ETS型号现在在Eviews 8中

February 28,2013
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ETS型号现在在Eviews 8中

The ETS modelling framework developed in my 2002 IJF paper (with Koehler,斯奈德和格罗斯)在我2008年出版的《斯普林格》一书中(与科勒合作,Ord and Snyder),is now available in EViews 8.I had no idea they were even working on it,so it was quite a surprise to be told that EViews now includes ETS models.Here is the blurb...

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Statistical computation in JavaScript — am I nuts?

February 28,2013
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在过去的几周里,I've been considering alternatives to R.I'd heard Python was much faster,so I translated a piece of R code with several nested loops into Python (it ran an order of magnitude faster).To find out more 金宝搏网址about Mathematica 9,I had an extended conversation with some representatives from Wolfram

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R中的形状文件

February 28,2013
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R中的形状文件

让我们学习如何在R中使用形状文件。这将允许我们为复杂区域或管辖区(如邮政编码或学区)绘制数据图。For the United States,many shapefiles are available from the Census Bureau.我们的示例将映射美国。纳蒂…

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EPL Table Motion Chart

February 28,2013
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The Shiny package provides great user interactivity and another boost to its attractiveness has come with its integration with googleVis.Markus Gesman provides some background in a blog article with coded examples which he along with fellow googleVis creator,Diego de Castillo and lead Shiny developer Winson Chang have furnished There are at least three

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Using R in LaTeX with knitr and RStudio

February 28,2013
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Using R in LaTeX with knitr and RStudio

Hi,I presented today at INSEE R user group (FLR) how to use knitr (Sweave evolution) for writing documents which are self contained with respect to the source code: your data changed?No big deal,just compile your .Rnw file again and you are done with an updated version of your paper!很容易。一些

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我第一次访问Strataconf地层的总结

February 28,2013
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我第一次访问Strataconf地层的总结

在这篇文章中,我将总结一些我在2013年圣克拉拉地层中学到的东西。现在,我将只讨论会议会议,因为我有一个更长的关于我仍在工作的教程会议的帖子,并且将在以后发布。金宝搏网址I will add to this post...

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Slides from "Big Data Real Time Predictive Analytics"

February 28,2013
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At Tuesday's Data Driven Business Day at the Strata conference I gave my talk,实时大数据预测分析:从部署到生产。My goal in the talk was to explain the buzz-phrases "real time","big data" and "predictive examples" in the context of a specific example: why are some web ads today uncannily targeted at our personal interests...

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授粉效果景观

February 28,2013
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授粉效果景观

我想给你看授粉的风景,但这不是一个有花和筑巢地的传粉者景观,但显示授粉的两个组成部分的情节。Quantity and quality.A recent paper by Pedro Jordano (see here for other … Continue reading →

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使用rtexttools将电子邮件分类为垃圾邮件或火腿

February 28,2013
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最近,I had read an article on 188bet appR-bloggers,titled Classifying Breast Cancer as Benign or Malignent using RTextTools by Timothy P.Jurka,who is the author of both that article and the RTextTools package.Having reproduced the results using the...

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