* Nov 6th 2019: The iterativeRUV now works for k=1.
* Nov 9th 2015: The naiveRandRUV now works for k=1.


Created. RUVnormalize is meant to remove unwanted variation from gene
expression data when the factor of interest is not defined, e.g., to
clean up a dataset for general use or to do any kind of unsupervised
analysis.
