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...

  Soils are routinely sampled and characterized according to genetic horizons (layers), resulting in data that are associated with principal dimensions: location (x,y), depth (z), and property space (p). The high dimensionality and grouped nature...

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 Introduction to Data Mining.   It comes up in several places in the book to demonstrate ...

Below is a visualization of the Wikileaks data produced in collaboration with Michael Dewar. This plot shows attacks in the data set by year and type, projected onto a map of Afghanistan with district boundaries. This visualization is certainly not perfect, i.e., some colors are difficult to discern, but ...

It will often be more efficient to generate graphics in an external software package and then include these files in a LaTeX beamer presentation. The standard LaTeX approach to including graphics can be utilised to perform this task. Fast Tube by Casper The graphicx is useful for including graphics files ...

One of the things I repeatedly include in referee reports, and in my responses to authors who have submitted papers to the International Journal of Forecasting, are comments designed to include the quality of the graphics. Recently someone asked on stats.stackexchange.com about best practices for producing plots. So ...