Hi,

I have matrix of 104 columns and 30000 rows (Each Row has rowname). 

I have 13 different  list of selected rownames (character) say 1000 each. Now I want to extract the all the columns according to the rownames in each the list. 

How can I do that in R ? 

1 ) For a single list 
2) For all the 13 list at a time  

Regards,

Pankaj Barah 
Department of Biology,
 Norwegian University of Science & Technology (NTNU) 



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