Monthly Archives: July 2010

Launch R document from Smultron / Fraise

July 12, 2010
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A short code to launch R documents from Smultron / Fraise

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A robust Hotelling test…

July 12, 2010
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Recently I was in need of testing a mean vector. I wrote a few lines of code in R and had it done perfectly. Hotelling test is one of the least interesting test to me. never really figured out why… At that time I had some time to search more about it. One of the ...read more

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World Cup 2010 Statistics Plotted with R

July 11, 2010
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World Cup 2010 Statistics Plotted with R

Opta  agreed to let the UK Guardian Data Blog publish 2010 World Cup Team and Player statistics.  The data is available in a Google Docs spreadsheet.  There are two tabs on this spreadsheet - one is PLAYERS the other is TEAM st...

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using R + ess-remote with screen in emacs

July 11, 2010
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Dear list, I brought up this issue before but a good solution never arised: being able to use screen on a remote server (so if something goes wrong on my side I can always resume that R session) inside of emacs in order to utilize ESS. The closest thing I found to a good work

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Area Plots with Intensity Coloring ~ el nino SST anomalies w/ ggplot2

July 10, 2010
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Area Plots with Intensity Coloring ~ el nino SST anomalies w/ ggplot2

I see many economy indicator graphs that show emphasis by shading in the curve under the area (while x-axis is time). The shade is stronger at higher values (example). I did this in R below (ggplot2). This was a little more difficult that I’d expected. The color gradients are good to color each individual points

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CoRe in CiRM [3]

July 10, 2010
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CoRe in CiRM [3]

Still drudging along preparing the new edition of Bayesian Core. I am almost done with the normal chapter, where I also changed the Monte Carlo section to include specific tools (bridge) for evidence/Bayes factor approximation. Jean-Michel has now moved to the new hierarchical model chapter and analysed longitudinal  datasets that will constitute the core of

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World Government Data Store API (R and Ruby)

July 10, 2010
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World Government Data Store API (R and Ruby)

The UK Guardian Data Blog has great visualizations on the topics of the day - along with with specific references to data sets and online resources in use.  You can find out more about the origins and plans of this and related data sites in t...

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bibtex 0.2-1

July 10, 2010
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I've uploaded version 0.2-1 of my bibtex package to CRAN. This release anticipates changes in R 2.12.0, and structures bibtex entries in object of the new class bibentry. The release also fixes various parser and lexer bugs

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Creating a Presentation with LaTeX Beamer – Bullet Lists

July 10, 2010
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Creating a Presentation with LaTeX Beamer – Bullet Lists

When writing a presentation we might want to use a bullet list to highlight some key points that might be lost if they are part of a large body of text. We can use the standard LaTeX environments for creating lists within a beamer presentation in a straightforward way. Fast Tube by Casper The bullet lists can

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Visualizing the census

July 9, 2010
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Visualizing the census

Now that the 2010 survey is over, you might be wondering what we can learn from the data when the aggregated results are published. For a good guide to the kinds of questions you'll be able to answer, take a look at StatJump, where you can see tables and charts of the results of the 2000 census: population data...

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