Added basic GPLv3 license
Added description text
Data and Mathematica notebook from:

	O. Alter, P. O. Brown and D. Botstein, "Singular Value Decomposition for Genome-Wide Expression Data Processing and Modeling," Proceedings of the National Academy of Sciences (PNAS) USA 97 (18), pp. 10101–10106 (August 2000); doi: 10.1073/pnas.97.18.10101.
Driver for svd.R
Reimplementation of Mathematica notebook in R.  Not complete.