Monthly Archives: September 2010

New World Bank Data Available

September 22, 2010
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New World Bank Data Available

Just announced:  World Bank Data features and data are available.  Previous posts have demonstrated how to access and plot this data using R (including the use of the R WDI package).  The chart above can be created using the following pr...

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New World Bank Data Available

September 22, 2010
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New World Bank Data Available

Just announced:  World Bank Data features and data are available.  Previous posts have demonstrated how to access and plot this data using R (including the use of the R WDI package).  The chart above can be created using the following pr...

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Guidelines for efficient R programming

September 22, 2010
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R is designed to make it easy to clearly express statistical ideas in code, but when it come to writing code that runs as fast as possible, there are a few tips, tricks and caveats to be aware of. As part of the BioConductor conference this past summer, Martin Morgan prepared a tutorial on efficient R programming. (Patrick Abouyen...

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Visualizations of US neighborhoods by race and ethnicity

September 22, 2010
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Visualizations of US neighborhoods by race and ethnicity

HOMOPHILY + MAPS WITHOUT MAPPING SOFTWARE In the past, Decision Science News has posted about homophily (“birds of a feather shop together“) and cool, lightweight visualizations (“maps without map packages in R“). Today, both topics come together in Eric Fischer’s fascinating set of images on Flickr called “Race and Ethnicity”(*).  According to Eric: Red is

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Connecting to SQL Server from R using RJDBC

September 22, 2010
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Connecting to SQL Server from R using RJDBC

A few months ago I switched my laptop from Windows to Ubuntu Linux. I had been connecting to my corporate SQL Server database using RODBC on Windows so I attempted to get ODBC connectivity up and running on Ubuntu. ODBC on Ubuntu turned into an exercise in futility. I spent many hours over many days

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My Crappy Fantasy Football Draft

September 22, 2010
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My Crappy Fantasy Football Draft

I compared the results of my fantasy football draft with the results of more than 1500 mock drafts at the Fantasy Football Calculator (FFC).  I looked at where player X was drafted in our league, subtracted off the average draft … Continue reading →

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R Function of the Day: foodweb

September 21, 2010
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R Function of the Day: foodweb

The R Function of the Day series will focus on describing in plain language how certain R functions work, focusing on simple examples that you can apply to gain insight into your own data. Today, I will discuss the foodweb function, found in...

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R Function of the Day: foodweb

September 21, 2010
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R Function of the Day: foodweb

The R Function of the Day series will focus on describing in plain language how certain R functions work, focusing on simple examples that you can apply to gain insight into your own data. Today, I will discuss the foodweb function, found in...

Read more »

Oil – Equities correlation – trading opportunity or new normal?

September 21, 2010
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Oil – Equities correlation – trading opportunity or new normal?

The R-Files: Hadley Wickham

September 21, 2010
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The R-Files: Hadley Wickham

"The R-Files" is an occasional series from Revolution Analytics, where we profile prominent members of the R Community. Name: Hadley Wickham Profession: Assistant Professor of Statistics, Rice University Nationality: New Zealand Years Using R: 10 Known for: Developing popular R packages including ggplot2, plyr, reshape; creator of crantastic.org; author of ggplot2: Elegant Graphics for Data Analysis An Assistant Professor...

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