[R] Re:

Don MacQueen macq at llnl.gov
Mon Oct 14 16:57:35 CEST 2002

You could go to the Apple sci-tech mailing list and ask this question 
of people who often do intensive computations on Apple hardware. They 
might be able to give a realistic sense of how plausible this concern 


At 7:18 AM -0700 10/13/02, Dr. Chris Wills wrote:
>Dear R Gang:
>	I have a Macintosh G4 powerbook, running OS 9.2.  Last week I 
>ran a statistical analysis program that I wrote in R for two days 
>continuously.  The program does repeated intensive computations on a 
>large data set.
>	The program completed its task successfully, but during the 
>process I noted that the computer seemed to be running unusually 
>hot. Shortly after the program stopped, something unrepairable 
>happened to the computer.  I don't know the cause of the problem 
>yet, and won't find out until Monday or Tuesday, but it seems to 
>involve the hard drive - Norton Disk Doctor cannot fix it, nor can I 
>restore the original software to the hard drive.
>	The computer breakdown may of course be unrelated to my use 
>of R, but I am concerned that running the computer so intensively 
>may have caused the problem.  Has anyboody run into a similar 
>problem using R on a G4 machine?  I have also been running R on a G3 
>I-Book, using the same operating system, though not the same 
>program, and I have had no problems.
>	Thanks!
>	Chris Wills
>Christopher Wills
>Professor of Biology
>Division of Biological Sciences
>University of California, San Diego
>La Jolla CA 92093
>Phone 858-534-4113
>Fax 858-534-7108
>e-mail cwills at ucsd.edu
>r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
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Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA
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