A minor correction inline...

On 2026-09-04 12:34 p.m., Rui Barradas wrote:
Hello,

I have been following this thread and it seems that the OP is running
R 4.6.1 on Windows, which is the most up-to-date R version on CRAN.
On Windows, binary packages are always available so I think the
(obvious?) solution is to install the binary packages from CRAN with a
qualified command:


utils::install.packages("pkgname", repos = "https://cloud.r-project.org/";)


The repository "https://cloud.r-project.org/"; is CRAN's repo.

That's not quite right. cloud.r-project.org redirects to mirrors of the master CRAN repository. It is currently sponsored and maintained by Posit, and both it and cran.rstudio.com lead to the same place(s).

Duncan Murdoch

The OP can also avoid having to set the repo by editing the file
R-4.6.1/etc/Rprofile.site. Add the following


# set a CRAN mirror
local({r <- getOption("repos")
       r["CRAN"] <- "https://cloud.r-project.org/";
       options(repos=r)})



The comment line '# set a CRAN mirror' should already be there, edit
the 'local' instruction as above, save and restart R.

Hope this helps,
Rui Barradas

CALUM POLWART <[email protected]> escreveu (sexta, 4/09/2026 à(s) 16:52):

Is this an *Error* or a *Warning* that is produced.

I think it is "normal" that if you install a package and it was produced
for a different version of R you get a warning. Warnings are just that, not
errors.

I think your options to make that go away are:

Upgrade your R to 4.7
Install a specific version of the package (that's hard work) - it needs you
to know which package version was built from your current R
Suppress the warning (fixes nothing but you just don't see it) use
library(packagename, quietly= T)

On Fri, 4 Sept 2026, 13:32 Michael Dewey via R-help, <[email protected]>
wrote:

I think we need more information here.

Try running R outside RStudio and then issue

install.packages("insert a package name here")

then run sessionInfo()

and then post all the output here.

It would also help to know which CRAN mirror you use.

Michael

On 03/09/2026 17:45, Halilu Rahaman Alhassan wrote:
Thank you for the response.

I tried using pacman to load the packages I need, but it was not working
for me. So I decided to download those packages on CRAN . Even though it
was installed successfully, yet, when I try loading each package I get
the
response mentioned earlier

On Thu, 3 Sept 2026, 11:57 Duncan Murdoch, <[email protected]>
wrote:

On 2026-09-02 7:42 a.m., Halilu Rahaman Alhassan wrote:
Dear sir/madam,

I guess my message finds you well. Please I am having the supposed
current
R version 4.6.1 for windows. But after downloading the packages, I find
it
difficult loading them on R studio, even though they can be seen under
packages. When ever I tried loading them, it tells me that those
packages
were created under R version 4.7.0. Please I need your help to be able
to
deal with such problem.

Kind regards,
Halilu Rahaman Alhassan

        [[alternative HTML version deleted]]
It sounds as though you downloaded the wrong files, but you don't give
details about how you did the downloads or installed them into R, so I
can't guess how that happened.

The standard safe way to install packages is to run R and then in R run
"install.packages("packagename")".  It might ask you to specify a
mirror; generally the first one in the list is safe.  On my system, that
is displayed as "0-Cloud".

If you are running RStudio, then you will get somewhat different
behaviour because it inserts its own install.packages() function, but it
should still work.  If not, try it in a plain R session.

Duncan Murdoch




       [[alternative HTML version deleted]]

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--
Michael Dewey

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         [[alternative HTML version deleted]]

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______________________________________________
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and provide commented, minimal, self-contained, reproducible code.

______________________________________________
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