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So if you had a robot that was an expert at botany - would you have a bot botanist? Among other things, it would need to to distinguish flowers through vision and image processing, and be able to classify various kinds of plants based upon specif...

The NIST's The Engineering Statistics Handbook includes an Introduction to Time Series Analysis which provides a great way of demonstrating how R can be used to make such calculations. This post replicates the analys...

The NIST's The Engineering Statistics Handbook includes an Introduction to Time Series Analysis which provides a great way of demonstrating how R can be used to make such calculations. This post replicates the analys...

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...

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...

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...

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...

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...

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...

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