Monthly Archives: July 2010

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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Rcpp 0.8.4

July 10, 2010
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Rcpp 0.8.4

Dirk uploaded Rcpp 0.8.4 to CRAN yesterday. This release quickly follows the release of Rcpp 0.8.3, because there was some building problems (particularly on the ppc arch on OSX). Rcpp sugar Already available in Rcpp 0.8.3, the new sugar feature was extended in 0.8.4 to cover...

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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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R and Oracle HR Part II – Plotting a single variable

July 9, 2010
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R and Oracle HR Part II – Plotting a single variable

If you have not done so already, make sure you have R and Oracle setup as described in the previous article.  If so, you should be able to create a connection from R and list the tables that are available in the HR schema.library('RODBC')ch <-o...

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Les estivales 2010

July 9, 2010
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Les estivales 2010 ont commencées à montpellier.

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Chatfield’s Plots in S-Plus

July 9, 2010
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Chatfield’s Plots in S-Plus

I have recently finished reading the sixth edition of The Analysis of Time Series: An Introduction by Chatfield in our Statistics reading group. Whilst enjoying most of the book I got a little confused when looking at Appendix D: Some … Continue reading →

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Funny Math in Governor Approval Ratings

July 9, 2010
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Andrew Gelman wrote today about some erroneous U.S. Governor approval ratings, noting that the ratings for Janet Napolitano sum to 108%. In fact most of these ratings do not sum to 100%. I prepared a clean CSV file of the ratings, making use of R‘s XML library and the readHTMLTable function. The ratings data file

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World Bank data plots

July 9, 2010
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World Bank data plots

Couple of weeks ago, I was looking for interesting data sets to play with using R. I came across this post and got inspired to use World Bank data to extract interesting patterns/facts about developing countries. World Bank has 300+ World Development i...

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