[BioC] multtest question

Rafael A. Irizarry ririzarr at jhsph.edu
Sat Apr 12 10:22:44 MEST 2003

the following function will be useful:

On Fri, 11 Apr 2003 Phguardiol at aol.com wrote:

> Hi,
> I d like to know how to convert a text file in which the first column is the 
> probe set # (affy chips) and the other columns are signals, with a first raw 
> having the "legends". In summary how can I transform this file into a matrix 
> of expression levels, of gene identifiers, and a vector of class labels ?
> thanks
> Philippe
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