[R] Setting up a .Rprofile file

[Bert Gunter]

Inline.

Cheers,

Bert

On Fri, Mar 24, 2017 at 2:36 AM, Bruce Ratner PhD <br at dmstat1.com> wrote:
> Henrico:
> Thanks for quick reply.
> However, one last question:
> If I want to change working directory, and put setwd() in the Rprofile file, logically R will not know where the be work directory is, correct?

No. See ?setwd . It requires a dir argument and will therefore give an
error if one is not supplied. Nothing to do with "knowing" what the
current working directory is.
>
> So, should I install R in my preferred working directory?

No (imho, anyway). Your working directory may change over time,
depending on how you organize things of course.

Please re-read the advice you have been given as well as ?startup.

Cheers,
Bert


>
> Thanks again, in advance.
> Bruce
>
>
> ______________
> Bruce Ratner PhD
> The Significant Statistician™
> (516) 791-3544
> Statistical Predictive Analytics -- www.DMSTAT1.com
> Machine-Learning Data Mining -- www.GenIQ.net
>
>
>
>> On Mar 24, 2017, at 3:48 AM, Enrico Schumann <es at enricoschumann.net> wrote:
>>
>> On Thu, 23 Mar 2017, Bruce Ratner PhD writes:
>>
>>> Hi R'ers:
>>> I would like to setting up a .Rprofile file with
>>> setwd("C:/R_WorkDir")
>>> set.seed(12345)
>>> options (prompt "> R ")
>>>
>>> ---
>>> Can you help providing the code or instructive link,
>>> I've find many links, but I can't figure it out?
>>>
>>> Thanks.
>>> Bruce
>>>
>>
>> Quoting from ?Startup:
>>
>> ,----
>> | [...] unless ‘--no-init-file’ was given, R searches
>> | for a user profile, a file of R code.  The path of
>> | this file can be specified by the ‘R_PROFILE_USER’
>> | environment variable (and tilde expansion will be
>> | performed).  If this is unset, a file called
>> | ‘.Rprofile’ is searched for in the current directory
>> | or in the user's home directory (in that order).  The
>> | user profile file is sourced into the workspace.
>> `----
>>
>> --
>> Enrico Schumann
>> Lucerne, Switzerland
>> http://enricoschumann.net
>>
>
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