[ESS] FW: Ess does not find path to user packages

[Sparapani, Rodney]

As it states in the documentation….

ess-r-package-library-paths is a variable defined in ‘ess-r-package.el’.

Its value is nil

Default path to find user packages.
Can be either a string specifying a directory or a list of
directories. This variable is also consulted by
‘xref-find-definitions’ in R buffers. See ‘ess-r-xref-backend’.

--
Rodney Sparapani, Associate Professor of Biostatistics, He/Him
President, Wisconsin Chapter of the American Statistical Association
Division of Biostatistics, Data Science Institute
Medical College of Wisconsin, Milwaukee Campus


From: Naresh Gurbuxani <naresh_gurbuxani using hotmail.com>
Date: Saturday, February 8, 2025 at 9:27 AM
To: Naresh Gurbuxani <naresh_gurbuxani using hotmail.com>
Cc: Sparapani, Rodney <rsparapa using mcw.edu>
Subject: Re: [ESS] Ess does not find path to user packages
ATTENTION: This email originated from a sender outside of MCW. Use caution when clicking on links or opening attachments.
________________________________

After adding this directory in .Rprofile (using .libPaths()), I can load library from this path.  If I just wanted to load my personal packages, I can do that without updating init.el file by setting a value to ess-r-package-library-paths.

What is the use of the variable ess-r-package-library-paths?

> On Feb 8, 2025, at 10:16 AM, Naresh Gurbuxani via ESS-help <ess-help using r-project.org> wrote:
>
> .libPaths() does not see the new directory added.
>
> !> .libPaths()
> [1] "/opt/local/Library/Frameworks/R.framework/Versions/4.4/Resources/library”
>
> In my .Rprofile, I can include the new directory in .libPaths().  But then, why do I need to update my init.el file also?
>
>> On Feb 8, 2025, at 10:10 AM, Sparapani, Rodney via ESS-help <ess-help using r-project.org> wrote:
>>
>> Hi Naresh:
>>
>> What does .libPaths() show for you?
>>
>> For me, �
>>> .libPaths()
>> [1] "/home/rsparapa/R/4.3.1/lib64/R/library"
>> [2] "/usr/local/R/4.3.1/lib64/R/library"
>>
>> So for me, I think, it should be set like this�
>> (setq ess-r-package-library-paths "/home/rsparapa/R/4.3.1/lib64/R/library")
>>
>> Of course, R needs to know about this too.  In my ~/.Rprofile I have�
>> .libPaths('~/R/4.3.1/lib64/R/library')
>> --
>> Rodney Sparapani, Associate Professor of Biostatistics, He/Him
>> President, Wisconsin Chapter of the American Statistical Association
>> Division of Biostatistics, Data Science Institute
>> Medical College of Wisconsin, Milwaukee Campus
>>
>>
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