[R] package/ date/ download problem

Prof Brian D Ripley ripley at stats.ox.ac.uk
Thu Jan 4 08:36:42 CET 2001

On Thu, 4 Jan 2001, S.McClatchie wrote:

> Colleagues
> I want to download the package "date" from CRAN <http://cran.r-
> project.org/>  to get the R-scripts (for version 1.2.0)

Um. It is package, not scripts, and needs to be installed as a package.

> *** date/INDEX *** 
> as.date Coerce Data to Dates 
> date.ddmmmyy Format a Julian date 
> date.mdy Convert from Julian Dates to Month, Day, and Year 
> date.mmddyy Format a Julian date 
> date.mmddyyyy Format a Julian date 
> date.object Date Objects 
> mdy.date Convert to Julian Dates  
> However, the clickable download from ver.1.2-5 gives me only two R files
> date.R
> zzz.R

So?  All the R code is in those files.

> although I do get the help files for 
> as.date.Rd 
> date.ddmmmyy.Rd 
> date.mdy.Rd  
> date.mmddyy.Rd  
> date.mmddyyyy.Rd  
> date.object.Rd 
> mdy.date.Rd  

One you got that, you would need to be able to install it as a source
package, and I wonder if you have the means to do that, since you are
clearly on Windows?

> As an alternate method I tried using the install.packages function from R
> > install.packages("date","C:\Program Files\R 
> environment\rw1020\library\","http://www.r-project.org",method = "auto", 
> available = NULL, destdir = NULL)
> Error: syntax error
> but was not successful (I'm not sure why).

You need to specify paths with \\ or /, not \, in R quoted strings.
And you need to use cran.r-project.org (or a local mirror), not
www.r-project.org (looks like a documentation bug).  Why set arguments that
you don't understand rather than use defaults?

If you have wget.exe installed, try just


or get the pre-compiled date.zip yourself from the Windows contrib area,
and read the Windows-specific documentation on how to install it
(just install.packages(".../date.zip") should do it).

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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