This collection of data exploration tools was developed
at Yale University for the graphical exploration of complex
multivariate data. The main functions provided are barcode(),
gpairs(), whatis(), and sparkmat(), although barcode()
and gpairs() are now provided by packages of the same names, respectively.
The package also includes several data sets. For more information,
please see the help files for nasa and YaleEnergy.
Please get in touch with us if you note any problems.
Chambers, J.M., Cleveland, W.S., Kleiner, B., and Tukey, P.A. (1983), Graphical Methods for Data Analysis, Belmont, CA: Wadsworth.
Friendly, M. (2002) 'Corrgrams: Exploratory displays for correlation
matrices' American Statistician 56(4), 316--324.
Tufte, Edward R. (2006) Beautiful Evidence The Graphics Press, Cheshire, Connecticut. See http://www.edwardtufte.com for this and other references.