This is a subset of the breast cancer data from Pollack et al. (2002).
A list object containing two data matrices: DNA and mRNA. They consist chromosome 17 data in 41 samples (4 cell lines and 37 primary tumors).
This data can be downloaded at http://www.pnas.org/content/99/20/12963/suppl/DC1
Pollack, J.R. et al. (2002) Microarray analysis reveals a major direct role of DNA copy number alteration in the transcriptional program of human breast tumors. Proc. Natl Acad. Sci. USA, 99, 12963-12968.