[R] newbie question: ROW average

From: A Ezhil <ezhil02_at_yahoo.com>
Date: Mon 29 May 2006 - 21:24:51 EST


I am new to R programming. I have a 992 x 74 matrix. I would like to form a new matrix by averging each 4 rows
from the original one. How can I use 'apply' instead of usual mean inside the nested for loop?

Thanks in advance.


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