Thanks a lot! Its working fine
   
  Pratap

Henrique Dallazuanna <wwwhsd@gmail.com> wrote:
  Try this:

lapply(apply(combn(ncol(x),2), 2, function(y)x[,y]),
function(z)t.test(z[,1], z[,2]))

On 29/01/2008, nalluri pratap 
wrote:
> Hi Users,
>
> This is regarding the paired t-test. I have 5 variables (say) Data$v1,Data$v2,Data$v3,Data$v4,Data$v5 in my data frame. Now, I need to perform a paired t-test on all the possible 10 pairs.How do I set up the pairs table directly and pass those variables in to t-test.
>
> Thanks in advance,
>
> Pratap
>
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O


       
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