




I have a     dataframe containing 104 columns and 30,000 rows.  I want 
to extract 104 columns to a single excel file as separate spreadsheet . 

Again each of the 104  columns are named  as say A1, A2, A3 ; 
B1,B2,B3; C1,C2,C3 in the dataframeetc. So, instead of exporting to 104 spreadsheets I 
want to export all the A , B, and C columns to a single spreadsheet. 



How do I do that? I am a learner in R" and not an expert. 



Thanks,

Pankaj Barah

Department of Biology, 
Norwegian University of Science & Technology (NTNU)
 Realfagbygget, N-7491 Trondheim, Norway 



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