[R] how to do t-test in r for difference of mean

From: arkajyoti jana <arkajyotij_at_gmail.com>
Date: Thu, 31 Mar 2011 18:37:52 +0530

I am trying to do t-test to test whether the mean of one one column of the data frame is greater then another. please help me out.

Arkajyoti Jana
M. Phil/ 2nd semester
Centre for Economic Studies and planning
School of Social Sciences
Jawaharlal Nehru University
New Delhi-67

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