On Tue, 28 Sep 2010, Mark Miller wrote:



I justed wanted to provide a description of how I was able to view source
code of a function.

First download the Program R package containing the function.  Specifically,
download the file that ends in "tar.gz".  This is a compressed file.  Expand
the compressed file using, for example, "WinZip".  Next open the
uncompressed file that ends in ".tar".  I was able to open that file with
the free software "7-Zip" available on the internet.  After installing that
software I clicked on the file "7zFM.exe" and navigated to the directory
containing the ".tar" file.  You can extract the contents of that ".tar"
file into a new folder.  The contents consist of R files showing the source
code for the functions in the R package.  These R files can be opened with a
text editor.

Hopefully, it is okay to mention other software here by name.  I have used
the above method twice in the last few months to view source code for
functions.  In both instances I needed a substantial amount of time to
figure out how to do it.  This post might help others and perhaps will help
myself in the future.

Why not just use the untar() function in package utils? Since you appear to be on Windows (do study and follow the posting guide), using R is much the easiest.


Mark W. Miller

Gainesville, Florida


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Brian D. Ripley,                  rip...@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
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