[BioC] marrayClass - how to extract expr values for a gene

[Naomi Altman]

On spotted arrays with duplicate spots for each gene, I would like to 
extract all the normalized expression values for each gene.  How can I do this?
Thanks,

Naomi S. Altman                                814-865-3791 (voice)
Associate Professor
Bioinformatics Consulting Center
Dept. of Statistics                              814-863-7114 (fax)
Penn State University                         814-865-1348 (Statistics)
University Park, PA 16802-2111