Re: [R] Difficulties with setting working directory
On 10/14/16, 1:52 PM, "R-help on behalf of Anže Dejak" wrote:
>So, the thing with my version of R (I'm using RStudio for R x64 3.3.0 in,
>currently, Windows 7) is, that I'm able to set the working directory
>temporary (through using setwd() function), but once I try to set it
>permanently (through "Session -> Set Working Directory -> Choose
>Directory..."), this error appears: Error in setwd("~/...") : cannot
>change
>working directory.
>
>As I've seen online on certain forums, the problem, supposedly, is that R
>in Windows is unable to recognize the ~ sign. But without it, I'm unable
>to
>set the working directory for more than a session.
>
>I'd hope you have a possible answer to this error.
Two problems:
1) R won't convert "~" to its shell equivalent without using path.expand()
2) There is no "..." directory [only "." (current) or ".." (parent)]
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Re: [R] Difficulties with setting working directory
On 14/10/2016 2:52 PM, Anže Dejak wrote:
Greetings,
Firstly, I'd hope this is the correct e-mail address to ask about specific
problems refering to problems with R. If it isn't, I kindly ask of you to
re-direct me to the correct contact person.
So, the thing with my version of R (I'm using RStudio for R x64 3.3.0 in,
currently, Windows 7) is, that I'm able to set the working directory
temporary (through using setwd() function), but once I try to set it
permanently (through "Session -> Set Working Directory -> Choose
Directory..."), this error appears: Error in setwd("~/...") : cannot change
working directory.
As I've seen online on certain forums, the problem, supposedly, is that R
in Windows is unable to recognize the ~ sign. But without it, I'm unable to
set the working directory for more than a session.
That explanation is incorrect. R in Windows simulates a Unix shell
interpretation of ~ . See ?path.expand for an explanation, and run
path.expand("~")
to see how it is currently being expanded for you.
However, the fact that R interprets ~ doesn't mean it is always possible
to use setwd() to go there.
It's also possible that RStudio has a bug, and is trying to change to a
nonexistent directory before displaying choices to you, assuming you're
getting the error before being offered the dialog to pick a directory.
If that's the case, you might be able to avoid the problem by asking R
to make the change:
setwd(choose.dir())
or
setwd("a/specific/directory")
Duncan Murdoch
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Re: [R] Difficulties with setting working directory
Hi Anze,
I'm not sure that this will work on Windows, but you can create a
function named ".First" (note the leading period) with something like
this:
.First<-function() setwd("C:/Users/anze")
To do this, start a session, enter the above line and then quit the
session, saving the current workspace. When you start R again, it
should change to that working directory. Of course you should make
sure what your home directory is.
Jim
On Sat, Oct 15, 2016 at 5:52 AM, Anže Dejak wrote:
> Greetings,
>
> Firstly, I'd hope this is the correct e-mail address to ask about specific
> problems refering to problems with R. If it isn't, I kindly ask of you to
> re-direct me to the correct contact person.
>
> So, the thing with my version of R (I'm using RStudio for R x64 3.3.0 in,
> currently, Windows 7) is, that I'm able to set the working directory
> temporary (through using setwd() function), but once I try to set it
> permanently (through "Session -> Set Working Directory -> Choose
> Directory..."), this error appears: Error in setwd("~/...") : cannot change
> working directory.
>
> As I've seen online on certain forums, the problem, supposedly, is that R
> in Windows is unable to recognize the ~ sign. But without it, I'm unable to
> set the working directory for more than a session.
>
> I'd hope you have a possible answer to this error.
>
> Thank you for your time and for reading this long e-mail and I hope you
> have a fine day, Anže D.
>
> [[alternative HTML version deleted]]
>
> __
> R-help@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.
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[R] Difficulties with setting working directory
Greetings,
Firstly, I'd hope this is the correct e-mail address to ask about specific
problems refering to problems with R. If it isn't, I kindly ask of you to
re-direct me to the correct contact person.
So, the thing with my version of R (I'm using RStudio for R x64 3.3.0 in,
currently, Windows 7) is, that I'm able to set the working directory
temporary (through using setwd() function), but once I try to set it
permanently (through "Session -> Set Working Directory -> Choose
Directory..."), this error appears: Error in setwd("~/...") : cannot change
working directory.
As I've seen online on certain forums, the problem, supposedly, is that R
in Windows is unable to recognize the ~ sign. But without it, I'm unable to
set the working directory for more than a session.
I'd hope you have a possible answer to this error.
Thank you for your time and for reading this long e-mail and I hope you
have a fine day, Anže D.
[[alternative HTML version deleted]]
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
