Ah yes ... and reading the as.data.frame help we see (emphasis mine):
"... Direct calls to as.data.frame.<class>() are still possible (*base
package!*), for 12 atomic base classes, but will deprecated ..."
So it does seem that a lot of these warnings are triggered by base R and
updating this code may be a work in progress.
A little tangential (but related) to this though is still the fact that
we can trigger the warning with:
lapply(Sys.Date(), as.data.frame)
so I wonder if the code in base/R/zzz.R
(https://github.com/wch/r-source/blob/9f1940663f902174034a01197e55fd17c767213a/src/library/base/R/zzz.R#L664-L686)
does need tweaking?
At this stage this is probably more a question for R-devel though.
Tim
On 06/07/2023 14:42, Enrico Schumann wrote:
On Thu, 06 Jul 2023, Vincent van Hees writes:
Thanks, in that case the REPLEX for the issue may need to be:
remember = Sys.getenv("_R_CHECK_AS_DATA_FRAME_EXPLICIT_METHOD_")
Sys.setenv("_R_CHECK_AS_DATA_FRAME_EXPLICIT_METHOD_" = TRUE)
data.frame(time = Sys.time())
time
1 2023-07-06 14:29:37
data.frame(time = as.POSIXlt(Sys.time()))
time
1 2023-07-06 14:29:37
Warning message:
Direct call of 'as.data.frame.POSIXct()' is deprecated. Use
'as.data.frame.vector()' or 'as.data.frame()' instead
Sys.setenv("_R_CHECK_AS_DATA_FRAME_EXPLICIT_METHOD_" = remember)
I think it happens because
data.frame(<POSIXlt>)
calls 'as.data.frame.POSIXlt' (per its S3-class), which
in turn directly calls 'as.data.frame.POSIXct':
## as.data.frame.POSIXlt
function (x, row.names = NULL, optional = FALSE, ...)
{
value <- as.data.frame.POSIXct(as.POSIXct(x), row.names,
optional, ...)
if (!optional)
names(value) <- deparse1(substitute(x))
value
}
<environment: namespace:base>
Kind regards
Enrico
Vincent
On Thu, 6 Jul 2023 at 10:41, Tim Taylor <tim.tay...@hiddenelephants.co.uk>
wrote:
Apologies - I've not had enough caffeine just yet. The reprex below
highlights the issue but I think the code which implemented the change
*may* need tweaking not lapply.
Tim
On 06/07/2023 09:26, Tim Taylor wrote:
This *may* be an issue in lapply. Let's see what others day. Reprex
below
Sys.setenv("_R_CHECK_AS_DATA_FRAME_EXPLICIT_METHOD_" = TRUE)
dat <- Sys.Date()
as.data.frame(dat)
#> dat
#> 1 2023-07-06
lapply(dat, as.data.frame)
#> Warning: Direct call of 'as.data.frame.Date()' is deprecated. Use
#> 'as.data.frame.vector()' or 'as.data.frame()' instead
#> [[1]]
#> X[[i]]
#> 1 2023-07-06
Tim
On 06/07/2023 08:54, Vincent van Hees wrote:
Dear all,
I see the following warning in my package test results:
```
Warning
Direct call of 'as.data.frame.POSIXct()' is deprecated. Use
'as.data.frame.vector()' or 'as.data.frame()' instead
```
The warning is not always there and I struggle to make it
reproducible. I
have encountered it in both Ubuntu 22.04 and in Windows 11, in both R
4.3.0
and 4.3.1, in both RStudio and in an GitHub Actions environment (example
<https://github.com/wadpac/GGIR/actions/runs/5463862340/jobs/9945096566>).
The warning gives the impression that I am doing something that R no
longer
supports. However, I am not using the command as.data.frame.POSIXct()
anywhere directly in my code.
When I dive into the code where the warnings occur I see patterns like:
```
now = Sys.time()
df = data.frame (time = seq(now, now + 10, by =1), B = 1:11)
```
(this is a simplification of for example:
https://github.com/wadpac/GGIR/blob/master/tests/testthat/test_read.myacc.csv.R
)
Does this mean I am discouraged from putting a vector with POSIXct
values
in a data.frame?
If yes, what would be the recommended work around?
I have been trying to find documentation or online discussions about
this
warning but no luck so far. I see R NEWS
<https://cran.r-project.org/doc/manuals/r-release/NEWS.html> mentions
updates to POSIXct related objects several times in the past year but
those
seem to be different issues.
Best,
Vincent
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