[R] scaling data for microarray

[Sean Davis]

Jas,

You should look into using bioconductor (http://www.bioconductor.org), a
group of over 65 R packages for dealing with all aspects of microarray
analysis.  There are numerous functions in those packages dealing in
multiple ways with your problem.

Sean

On 3/3/04 11:10 PM, "Yan Li" <yantian2001 at yahoo.com> wrote:

> Hello All,
> 
> I am new to R and want to use R to scale my data
> before analysis.  I need to do two fold scaling: a).
> scale on a per object (chip) basis, scale to a mean of
> 0 and stddev to 1; b). scale on a per feature basis:
> scale data linearly to the interval [0,1].
> 
> Could somebody help me with this?
> Thanks a lot,
> 
> Jas
> 
> 
> 
> __________________________________
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
>