Hi,

I have 100 cel files (U133A) in a folder, I want to randomly select 70 cel files from them and use justRMA to get the normalized intensity. I need to do this 50 times (every time, the 70 cel files are not necessarily the same). More imporantly, I want to save the expression value obtained by justRMA to file name Data_1.txt Data_2.txt Data_3.txt, ..., Data_50.txt in an automatic fashion. I tried myself first and could not figure out how to do it, could anybody offer me any help or suggestions? 

Many thanks,

James

 
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