[R] Comparing 2 means. pls help

[R. Michael Weylandt]

You should look up what a t-test is.

Michael

On Mon, Apr 9, 2012 at 2:58 AM, ali_protocol
<mohammadianalimohammadian at gmail.com> wrote:
> I am interested in the difference of 2 data:
>
> mat1= c(2.2, 2.3, 2.2,2.5)
> mat2= c(2.6, 2.8, 2.7,2.4)
>
> mat= mat2-mat1
>
> I perform an action on both mat1 and mat2, and I get
> mat1prime and mat2prime:
>
> mat1prime= c(2.5, 2.5, 2.3,2.5)
> mat2prime= c(2.6, 2.8, 2.7,2.6)
>
> matprime= mat2prime-mat1prime
>
>
> I want to check wether mat and matprime have the same mean.
> How should I do this in R?
>
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