[R] t-distribution

Leeds, Mark (IED) Mark.Leeds at morganstanley.com
Wed Aug 1 20:53:07 CEST 2007

if you mean the area to the left of the 1.11 point on the x axis of a t
dist with 9 degrees of freedom,
Then you need to use pt(1.11,9). See ?pt for more info.

-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Nair, Murlidharan
Sent: Wednesday, August 01, 2007 2:43 PM
To: r-help at stat.math.ethz.ch
Subject: [R] t-distribution

If I have a calculated t can I get the probability associated with it
using an R function by giving it the df and t? I know I can do the whole
calculation using t.test() or get the t-distribution using qt().  If
t=1.11 and df =9 can I get the probability? 



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