[R] unable to access index for repository...

[Steven Yen]

Thanks for the help. I do update to the latest R-4.0.2. As I said, for 
reasons that's hard to explain, some of my tasks are better handled with 
an older version of R, in this case R-3.0.3. Please just help me install 
packages successfully with this older version of R.

I ran the following line but obviously was not getting it across.

=====

> install.packages("aod",repos='https://cran-archive.r-project.org/bin/windows/contrib/3.0/')  Warning in install.packages : unable to access index for repository 
http://cran.rstudio.com/bin/windows/contrib/3.0 Warning in 
install.packages : unable to access index for repository 
https://cran-archive.r-project.org/bin/windows/contrib/3.0/bin/windows/contrib/3.0 
Warning in install.packages : package ‘aod’ is not available (for R 
version 3.0.3)

On 2020/10/5 下午 04:12, Uwe Ligges wrote:
> From
>
> ../ReadMe
> in the mentioned web resource:
>
> "Packages for R >= 1.7.0 and R < 3.2.0 are available from
> https://cran-archive.r-project.org/bin/windows/contrib/"
>
> We do not hold binaries of several year old versions of R on CRAN.
>
> Note that R 3.0.0 is 7 years old. You shoudl realy consider to update 
> to 4.0.2.
>
> Best,
> Uwe Ligges
>
>
>
>
> On 05.10.2020 09:56, Steven Yen wrote:
>> I had to install/use an older version of (R-3.0.3) for a reason. While
>> installing a package from CRAN (either in RStudio or R), I received the
>> following warning message saying unable to access index for repository
>> http://cran.rstudio.com/bin/windows/contrib/3.0. See message below. In
>> this case, I tried to install "aod". The install nevertheless went
>> through, as confirmed by the library statement (I did not try to use
>> it). Any idea? Thank you.
>>
>> =====
>>
>> Warning: unable to access index for repository
>> http://cran.rstudio.com/bin/windows/contrib/3.0 Warning: unable to
>> access index for repository
>> http://cran.rstudio.com/bin/windows/contrib/3.0 >
>> install.packages("aod") Warning in install.packages : unable to access
>> index for repository http://cran.rstudio.com/bin/windows/contrib/3.0
>> Warning in install.packages : unable to access index for repository
>> http://cran.rstudio.com/bin/windows/contrib/3.0 package ‘aod’ is
>> available as a source package but not as a binary Warning in
>> install.packages : package ‘aod’ is not available (for R version 3.0.3)
>>   > library(aod)
>>
>>
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>>
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>>

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