Installing R-devel from http://r.research.att.com/

Seth,

the problem was located and should be fixed for tonight's build.

Hi all,

I suspect this is an easy question...

How do I install R devel from the various snapshots provided on
http://r.research.att.com/.

[I generally build from source, but need to assist people in getting a
working R-devel on OSX for a course we are teaching]

The website says:

    The installer image (*.dmg) is packaged exactly the same way as
    the CRAN release of R (including the GUI) and it will update your
    R version (unless you delete the last receipt).

The installer image is too small to contain everything (52kb) and I
don't understand what is meant by "unless you delete the last
receipt".

By default Apple Installer does an 'upgrade' - i.e. it will remove  
all 'old' files that were installed by the previous R version.  
However, you may want to keep old R since it can co-exist peacefully.  
In order to tell the Apple Installer to not upgrade the old version,  
but perform a new, clean install instead, you have to remove the  
receipt created by the previous install. Apple Installer keeps the  
receipts in /Library/Receipts, so you may want to run

rm -rf /Library/Receipts/R-Framework*

This is discussed in the R for Mac FAQ and also in the ReadMe of the  
R package which is displayed during the installation.

Cheers,
Simon

  I've tried the installer and it tells me it can't open
R.mpkg.

Thanks,

+ seth

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