Hi,
I'm trying to confirm I understand how packages are installed and manage in R to be able to better interpret error/warning messages.
In a Mac OS X installation of R I get this error:
require(XML)
Loading required package: XML
Failed with error: ?package ?XML? is not installed for 'arch=x86_64'?
But the graphical interface R Package Installer says that version 3.9-4 is installed.
Please, where am I wrong? Thanks!
sessionInfo()
R version 2.15.1 (2012-06-22)
Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
locale:
[1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8
attached base packages:
[1] graphics grDevices utils datasets stats methods base
other attached packages:
[1] foreign_0.8-50
loaded via a namespace (and not attached):
[1] tools_2.15.1
--
Ricardo Rodr?guez
Research Management and Promotion Technician
Technical Secretariat
Health Research Institute of Santiago de Compostela (IDIS)
http://www.idisantiago.es
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