Nothing
Code
out <- mutate_if(gdf, is.factor, as.character)
Message
`mutate_if()` ignored the following grouping variables:
* Column `Species`
Code
(expect_warning(mutate_at(mtcars, vars(mpg), quo(mean(.)))))
Output
<warning/lifecycle_warning_deprecated>
Warning:
The `...` argument of `mutate_at()` can't contain quosures as of dplyr 0.8.3.
i Please use a one-sided formula, a function, or a function name.
Code
(expect_warning(summarise_at(mtcars, vars(mpg), quo(mean(.)))))
Output
<warning/lifecycle_warning_deprecated>
Warning:
The `...` argument of `summarise_at()` can't contain quosures as of dplyr 0.8.3.
i Please use a one-sided formula, a function, or a function name.
Code
(expect_error(mutate_at(tibble(), "test", ~1)))
Output
<error/vctrs_error_subscript_oob>
Error in `tbl_at_vars()`:
! Can't subset columns that don't exist.
x Column `test` doesn't exist.
Code
tbl <- tibble(gr1 = rep(1:2, 4), gr2 = rep(1:2, each = 4), x = 1:8)
tbl <- group_by(tbl, gr1)
(expect_error(summarise_at(tbl, vars(gr1), mean)))
Output
<error/vctrs_error_subscript_oob>
Error in `tbl_at_vars()`:
! Can't subset columns that don't exist.
x Column `gr1` doesn't exist.
Code
(expect_error(mutate_all(mtcars, length, 0, 0)))
Output
<error/dplyr:::mutate_error>
Error in `mutate()`:
i In argument: `mpg = .Primitive("length")(mpg, 0, 0)`.
Caused by error:
! 3 arguments passed to 'length' which requires 1
Code
(expect_error(mutate_all(mtcars, mean, na.rm = TRUE, na.rm = TRUE)))
Output
<error/dplyr:::mutate_error>
Error in `mutate()`:
i In argument: `mpg = (function (x, ...) ...`.
Caused by error in `mean.default()`:
! formal argument "na.rm" matched by multiple actual arguments
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