[R] Issue when trying to install or load packages in RStudio

[David Winsemius]

On 5/13/22 09:47, Rui Barradas wrote:
> Hello,
>
> If that was the problem you should run update.packages().

# ITYM:

update.packages( checkBuilt=TRUE, ask=FALSE)

-- 

David.

> It can take a lot of time dpending on how many packages you have 
> installed but it will avoid you having to update the packages one by one.
>
> Hope this helps,
>
> Rui Barradas
>
> Às 15:57 de 13/05/2022, Paul Bernal escreveu:
>> Dear Jeff and R friends,
>>
>> I fixed the issue. The problem was due to the fact that I had R version
>> 4.1.2 and installed  the newer version R 4.2. Since RStudio 
>> automatically
>> points to the latest R version installed, there were a lot of 
>> packages that
>> were not installed.
>>
>> I just made RStudio point to an older R version and the issue was 
>> solved.
>>
>> Cheers,
>> Paul
>> El El vie, 13 de may. de 2022 a la(s) 9:35 a. m., Jeff Newmiller <
>> jdnewmil using dcn.davis.ca.us> escribió:
>>
>>> A) You are repeatedly referring to RStudio... if you have a problem 
>>> with
>>> RStudio, it is off-topic here and most people won't know how to fix it.
>>> RStudio occasionally gets out of sync with R and (the majority of 
>>> us) don't
>>> keep track of that status here.
>>>
>>> Assuming the problem is with R (you confirm this by using R or RGui
>>> directly and seeing the same errors)...
>>>
>>> B) When the R error messages say they cannot find the index, then that
>>> means you either have the wrong CRAN mirror URL (there is a whole 
>>> list of
>>> them you can try) or there is some kind of network storm that will blow
>>> over if you try again later.
>>>
>>> C) Finally, Rtools is not an R package... you will never succeed
>>> installing Rtools using install.packages. Use your web browser to 
>>> look on
>>> CRAN for Rtools42 software and download the corresponding Windows setup
>>> program and run it. You should read and follow the instructions [1]. 
>>> I am
>>> pretty sure you will need to re-start R so it will find Rtools.
>>>
>>> [1] https://cran.r-project.org/bin/windows/Rtools/rtools42/rtools.html
>>>
>>> On May 13, 2022 6:38:29 AM PDT, Paul Bernal <paulbernal07 using gmail.com>
>>> wrote:
>>>> Dear friends,
>>>>
>>>> Hope you are doing great. I have installed R version 4.2.0 and
>>>> RStudio 2022.02.2 Build 485 "Prairie Trillium" Release (8acbd38b,
>>>> 2022-04-19) for Windows.
>>>>
>>>> Last week, I developed a model in RStudio and was able to install 
>>>> and load
>>>> many packages, but now RStudio is behaving oddly.
>>>>
>>>> I get the following errors whenever I try installing packages(which 
>>>> was
>>> not
>>>> happening to me last week):
>>>>
>>>> https://cran.rstudio.com/bin/windows/Rtools/
>>>> Warning in install.packages :
>>>>   unable to access index for repository
>>> https://cran.rstudio.com/src/contrib
>>>> :
>>>>   cannot open URL 'https://cran.rstudio.com/src/contrib/PACKAGES'
>>>> Warning in install.packages :
>>>>   package ‘Rtools’ is not available for this version of R
>>>>
>>>> A version of this package for your version of R might be available
>>>> elsewhere,
>>>> see the ideas at
>>>>
>>> https://cran.r-project.org/doc/manuals/r-patched/R-admin.html#Installing-packages 
>>>
>>>> Warning in install.packages :
>>>>   unable to access index for repository
>>>> https://cran.rstudio.com/bin/windows/contrib/4.2:
>>>>   cannot open URL '
>>> https://cran.rstudio.com/bin/windows/contrib/4.2/PACKAGES
>>>> '
>>>>
>>>> I try to install Rtools but was not able to.
>>>>
>>>> Any clues on what could be happening?
>>>>
>>>> Best regards,
>>>> Paul
>>>>
>>>>        [[alternative HTML version deleted]]
>>>>
>>>> ______________________________________________
>>>> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>> -- 
>>> Sent from my phone. Please excuse my brevity.
>>>
>>
>>     [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide 
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide 
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.