Re: [R] Form Pairs of Variables for a paired t-test

2008-01-30 Thread Muenchen, Robert A (Bob)
, 2008 9:15 AM To: nalluri pratap Cc: r-help@r-project.org Subject: Re: [R] Form Pairs of Variables for a paired t-test 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 [EMAIL PROTECTED] wrote: Hi Users

Re: [R] Form Pairs of Variables for a paired t-test

2008-01-29 Thread nalluri pratap
Thanks a lot! Its working fine Pratap Henrique Dallazuanna [EMAIL PROTECTED] 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

[R] Form Pairs of Variables for a paired t-test

2008-01-29 Thread nalluri pratap
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.

Re: [R] Form Pairs of Variables for a paired t-test

2008-01-29 Thread Henrique Dallazuanna
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 [EMAIL PROTECTED] 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