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| From: | Michael Krein |
| Subject: | Re: [igraph] igraph in R/Rscript error |
| Date: | Mon, 26 Oct 2009 08:31:20 -0400 |
Aha! I knew it would be something simple. :) Problem solved! Many thanks Tamas, -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Michael Krein Breneman Research Group Rensselaer Exploratory Center for Cheminformatics Research Rensselaer Polytechnic Institute -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- On Oct 26, 2009, at 5:34 AM, Tamas Nepusz wrote:
Hi Michael, Rscript does not load all the packages that R loads at startup by default. In particular, the "methods" package is not loaded by default since it takes about 60% of the startup time [1]. The "is" function is defined in the "methods" package, so you'll have to load that: $ Rscript --default-packages=methods test.R Another possibility is to set the R_DEFAULT_PACKAGES environment variable: $ export R_DEFAULT_PACKAGES=methods $ Rscript test.R [1] http://finzi.psych.upenn.edu/R/library/utils/html/Rscript.html Best, -- Tamas
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