[R] Installing chron

Prof Brian Ripley ripley at stats.ox.ac.uk
Thu Feb 22 19:02:53 CET 2001

> Date: Thu, 22 Feb 2001 09:46:38 -0800
> From: Jack Lewis <jl7001 at axe.humboldt.edu>
> R folks:
> What is the procedure for installing the chron package with R 1.2.1
> for Windows?  I have downloaded chron_2_2-8_tar.gz from CRAN,
> but the installer program (rwinst.exe) wants a .zip file and I was
> unable to locate one at the CRAN site.

It should be there in bin/windows/contrib (and seems to be at Vienna).
It is definitely at


> I also tried extracting the tar.gz file with winzip directly to the folder
> C:\Program Files\R Language\rw1021\library.  However that results
> in:
> > library(chron)
> Warning message:
> Package  `chron' contains no R code in: library(chron)

That would need to be unpacked in src/library, then installed.  Please
remove library\chron before trying anything else.

> Thanks for any advice.

The simplest procedure is I believe

1) (Once only) get http://www.stats.ox.ac.uk/pub/Rtools/wget.zip and unzip it
somewhere in your PATH.

2) Start up R and run

Future versions of R may not need step 1).

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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