R help - Jul 2007 - About dataset

Hi R hep group member,
I want to know that how I can call my data in R for princomp function.
I want to calculate PCA of 200 descriptors of 4000 molecule(I am using
Linux). How I can call this in R.
Thanking you.


-- 
Nitish Kumar Mishra
Junior Research Fellow
BIC, IMTECH, Chandigarh, India
E-Mail Address:
nitish_km at yahoo.com
nitish at imtech.res.in