[R] using two different matrix : how to do t.test

mogra funnymoody999 at yahoo.com
Mon Nov 19 09:29:03 CET 2007


I have two matrix with same dimensions. I want to do t.test using each column
from 2 different matrix. 
Column names in both matrix are same.

e.g. 
Matrix1						
id	VC1	VC2	VC3		    
R	1	2	3			
R1	4	5	6			
R3	7	8	9		


Matrix2			
id	VC1	VC2	VC3
R	10	11	12
R1	13	14	15
R3	16	17	18

want to do t.test

for eg t.test(Matrix1$VC1, Matrix2$VC1)$p.value

What is the best way to do it. I have dataset with 4000 columns for each
matrix with same row and column names.

Thanks a lot.
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