On 25/05/2009 5:18 PM, Charles Annis, P.E. wrote:
After reading your suggested page, it does appear that the problem is a
security feature that I will have to live with since the CDs will be running
on borrowed computers.

BUT, if the same R-folder is loaded from a USB Flash Drive, rather than a
CD, the help files work just fine.  So perhaps there is another way.

Any other ideas?

Don't use CHM help.

Duncan Murdoch


Charles Annis, P.E.

charles.an...@statisticalengineering.com
phone: 561-352-9699
eFax:  614-455-3265
http://www.StatisticalEngineering.com
-----Original Message----- From: Duncan Murdoch [mailto:murd...@stats.uwo.ca] Sent: Monday, May 25, 2009 4:57 PM
To: charles.an...@statisticalengineering.com
Cc: r-help@r-project.org
Subject: Re: [R] Running R from a read-only CD

On 25/05/2009 4:40 PM, Charles Annis, P.E. wrote:
Dear R-helpers:

I created a folder containing R on a read-only CD and use it by having the
R-icon, located on the Windows desktop, point to the CD (R-2.8.1\bin\Rgui.exe) for the "Target," and to a Windows Desktop folder
for
"Start in."

This works nicely EXCEPT that the R help() function cannot display
anything,
and presents a screen message saying "This program cannot display
webpage."
This is especially frustrating because on the left of what would be the
help
window is the exhaustive list of all the functions for which R can provide
help (but can't display anything).

Can anyone provide guidance?

Here is the obligatory session information:
....................
sessionInfo()
R version 2.8.1 (2008-12-22) i386-pc-mingw32
locale:
LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
States.1252;LC_MONETARY=English_United
States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252

attached base packages:
[1] splines   tcltk     stats     graphics  grDevices utils     datasets
methods base
other attached packages:
[1] mh1823_2.5.4.1     survival_2.35-3    RColorBrewer_1.0-2 RODBC_1.2-5

....................

Thanks!


This sounds like a Windows security feature, because .CHM is a risky format. There's a page here

http://support.microsoft.com/kb/896054

that tells you how to turn it off. Alternatively, you can choose one of the other help formats in R besides CHM help.

Duncan Murdoch

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