[R] How do I tell it which directory to use?

[Uwe Ligges]

Augusto.Sanabria at ga.gov.au wrote:
> Tom,
> 
> You can define your working directory by using:
> 
> setwd("C:\Documents and Settings\Tom\My Documents\qpaper7\R Project Started 
> 19 Dec 05")

Thanks for your contribution to R-help, but:

No, see the R for Windows FAQs which tell you to use "\\" or "/" rather 
than "\"!


> 
> check that your file is there:
> list.files()
> 
> and then use:
> 
> source("myFile.txt") 
> 
> the machine should load "myFile"
> 
> You can go to another directory:
> setwd("anotherdir")
> 
> and repeat the procedure.
> 
> Or even better if you define a number of directories in an external file:
> 
> dir1 <- c(C:\Documents and Settings\Tom\My Documents\qpaper7\")
> dir2 <- c(C:\Documents and Settings\Tom\My Documents\")

See above + don't forget the quotes!


> and after loading the file at the beginning of the sesion you can use:
> 
> setwd("dir1")  etc.

In this case without quotes!

  setwd(dir1)

Please don't confuse other R-help readers and try to be more precise in 
your answers.

Uwe Ligges


> Is it of any help to you?
> Cheers,
> 
> Augusto
> 
> 
> --------------------------------------------
> Augusto Sanabria. MSc, PhD.
> Mathematical Modeller
> Risk Research Group
> Geospatial & Earth Monitoring Division
> Geoscience Australia (www.ga.gov.au)
> Cnr. Jerrabomberra Av. & Hindmarsh Dr.
> Symonston ACT 2609
> Ph. (02) 6249-9155
>  
> 
> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Thomas L Jones
> Sent: Wednesday, 22 February 2006 4:31 PM
> To: R-project help
> Subject: [R] How do I tell it which directory to use?
> 
> 
>>From Tom:
> 
> In R 2.2.0 under Windows, I want to be able to give it a filename such 
> as "myFile.txt" without the quotes. But actually I mean:
> 
> C:\Documents and Settings\Tom\My Documents\qpaper7\R Project Started 
> 19 Dec 05\myFile.txt
> 
> If I were to repeat this each time, my computer would get all bored 
> and cranky and start to drop bits (only a joke, of course). I think I 
> want to set the Home directory or the working directory or some 
> directory or other to the above directory. I may or may not want to 
> set some environmental variables.
> 
> R 2.2.0; working directly from the console and copying and pasting 
> code which I want to test into the console. Windows XP Home Edition. 
> Administrator privileges are enabled. A curve ball: There are two 
> accounts, "Tom" and "Jones;" the data are stored under "Tom," whereas 
> the computation is being done under the "Jones" account. I won't bore 
> you with the details of why I am doing this.
> 
> I was able to call Sys.getenv ("R_USER") and get the home directory.
> 
> I am a newbie to R and not familiar with the terminology.
> 
> Tom
> Thomas L. Jones, Ph.D., Computer Science
> 
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