Cf. http://forge.blueoxen.net/wiki/Wiki_Analytics
and http://jrbl.livejournal.com/108325.html
See also: CollabStats project, on GitHub

pca/
  - initial pass at pca implementation, might generalize into do-all
    data handling library at some point
  - filter script to trim columns and rows from CSV files

kmeans/
  - k-means clustering of a dataset; relies on JData in pca/

plotting/
  - toying around with ways to make charts out of the data; relies on
    JData in pca/

scrub/
  - anonymize an input data set so that hopefully we'll be allowed to 
    publish it