BUG in R-devel for paired/unpaired tests

[ddsjoberg]

What happened?

R-devel has an update where the paired= argument value from the formula method is not passed along to the default method.

For example, we're currently using t.test.formula() for unpaired tests and t.test.default() for paired test. For the unpaired test, we were passing paired= FALSE. But in R-devel the docs have been updated to indicate this arg is not passed to the default method AND (importantly) the function errors if the paired arg is populated with either TRUE or FALSE.

version[c("status", "major", "minor")]
#>        _                           
#> status Under development (unstable)
#> major  4                           
#> minor  4.0
t.test(mpg ~ am, data = mtcars, paired = FALSE)
#> Error in t.test.formula(mpg ~ am, data = mtcars, paired = FALSE): cannot use 'paired' in formula method

^{Created on 2024-02-19 with reprex v2.1.0}

We can update this pretty simply with a ... |> utils::modifyList(list(paired = NULL), keep.null = FALSE)

[joanbirules]

Hi,

I am having this problem but the solution here proposed is not working for me; it gives me an error saying "val" is missing. Do you know why this could be or how to solve it?

Thank you very much!!
Joan

"We can update this pretty simply with a ... |> utils::modifyList(list(paired = NULL), keep.null = FALSE)"

Error in modifyList(list(paired = NULL), keep.null = FALSE) :
argument "val" is missing, with no default

[ddsjoberg]

Dear @joanbirules , please open a new issue that includes a minimal reproducible example illustrating your issue (this includes both code and data we can run on our machines). Review https://reprex.tidyverse.org/ and learn how to create the example.