Blog Archives

Fractals in R

August 27, 2010
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Fractals in R

Atte Tenkanen had a blog on fractals using R for a time. Much of his source code is still available online.  To produce his version of the Mandelbrot set:source('http://users.utu.fi/attenka/mandelbrot_set.R')Fractals (such...

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How Safe is Your Money?

August 24, 2010
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How Safe is Your Money?

The FDIC regularly publishes a Failed Bank List and related statistics.  This post uses data in the original XLS from the FDIC web site which is formatted for human consumption to produce the charts below using R.  Note that 2010 data be...

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Map of Upcoming Ruby Conferences

August 21, 2010
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Map of Upcoming Ruby Conferences

One of the top searches on rubyflow is “conference”.  A recent post showed how to create a map with the location of the 2010 R User Conference.  So why not expand on the subject and create a map with numerous conference locations thr...

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Programming Language Popularity: StackOverflow and Ohloh

August 17, 2010
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Programming Language Popularity: StackOverflow and Ohloh

In the following example, programming language popularity is measured based upon two data sets.  The first is the number of  contributors associated with a language on ohloh.net.  The second is tag usage at stackoverflow.c...

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GitHub Stats on Programming Languages

August 9, 2010
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GitHub Stats on Programming Languages

GitHub has become a popular site for Open Source Developers to stash code and collaborate on projects.  The following are some stats and analysis related to programming languages in use based upon the number of users and repositories.  T...

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Iris Data Set Visualization Web App in < 100 LOC

August 7, 2010
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Iris Data Set Visualization Web App in < 100 LOC

The iris data set pops up pretty regularly in statistical literature.  It consists of 50 records from three species of Iris flowers (Iris setosa, Iris virginica and Iris versicolor).   I came across it recently while reading

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U.S. Unemployment Data: Animated Choropleth Maps

August 4, 2010
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U.S. Unemployment Data: Animated Choropleth Maps

I was curious about creating maps with ggplot2 - and was happy to find that great minds have long since tackled this topic.  Folks who are interested in how to learn about R (and ggplot2) might be interested in the process.  (There should be ...

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Suggestions for R-Chart iPhone App?

August 3, 2010
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Suggestions for R-Chart iPhone App?

Have any ideas for news sources to include in  the new R-Chart iPhone App?  I am hoping to make some revisions and fixes and figured I would get some feedback from anyone who happened download it.  Specifically, I am planning on removing...

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RODM Article on the Oracle Technology Network

August 3, 2010
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RODM Article on the Oracle Technology Network

A new article over at OTN demonstrates the new RODM package that allows you to control Oracle Data Mining within the database itself using R.  This and the recent announcement over at Revolution Analytics both reveal more solutions for proces...

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Thinking about Graphs

July 30, 2010
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Thinking about Graphs

A recent Wall Street Journal article ruminated about the degree that language shapes thought (rather than the other way around).  This idea has rather profound implications in the more specific domain of programming languages. We initially learn a...

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