Re: [R] Obtaining p values from t-test run with a by function

2020-06-12 Thread Rui Barradas
Hello, Or in one go with *apply, function '[[': sapply(result, '[[', 'p.value') # EPAP #2.564503e-04 4.173480e-06 Hope this helps, Rui Barradas Às 23:20 de 12/06/20, Sarah Goslee escreveu: Where you have result[1]$p.value result[2]$p.value You need result[[1]]$p.value

Re: [R] Obtaining p values from t-test run with a by function

2020-06-12 Thread Sarah Goslee
Where you have result[1]$p.value result[2]$p.value You need result[[1]]$p.value result[[2]]$p.value to get the first component of the list. Sarah On Fri, Jun 12, 2020 at 5:35 PM Sorkin, John wrote: > > Colleagues, > I am trying to retrieve the p values produced by a Student's t-test run usin

Re: [R] Obtaining p values from t-test run with a by function

2020-06-12 Thread Stephen Ellison
: 12 June 2020 22:34 To: r-help@r-project.org (r-help@r-project.org) Subject: [R] Obtaining p values from t-test run with a by function === EXTERNAL EMAIL === Colleagues, I am trying to retrieve the p values produced by a Student's t-test run using a by function, bu

[R] Obtaining p values from t-test run with a by function

2020-06-12 Thread Sorkin, John
Colleagues, I am trying to retrieve the p values produced by a Student's t-test run using a by function, but can not do so. I can easily get the p value when I run s Student's t-test without a by function. What is the secret to obtaining results returned from a function run within a by function.