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R FAQ
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R FAQ
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Frequently Asked Questions on R
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Frequently Asked Questions on R
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Version 1.3-17, 2001-08-10
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Version 1.3-18, 2001-08-11
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Kurt Hornik
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Kurt Hornik
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Table of Contents
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Table of Contents
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*****************
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*****************
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In R, the startup mechanism is as follows. R first sources the system
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In R, the startup mechanism is as follows. R first sources the system
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startup file ``$R_HOME'/library/base/R/Rprofile'. Then, it searches
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startup file ``$R_HOME'/library/base/R/Rprofile'. Then, it searches
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for a site-wide startup profile unless the command line option
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for a site-wide startup profile unless the command line option
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`--no-site-file' was given. The name of this file is taken from the
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`--no-site-file' was given. The name of this file is taken from the
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value of the `R_PROFILE' environment variable. If that variable is
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value of the `R_PROFILE' environment variable. If that variable is
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unset, the default is ``$R_HOME'/etc/Rprofile'. This code is loaded
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unset, the default is ``$R_HOME'/etc/Rprofile'
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(``$R_HOME'/etc/Rprofile.site' in R 1.4.0). </FIXME> This code is
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in package *base*. Then, unless `--no-init-file' was given, R
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loaded in package *base*. Then, unless `--no-init-file' was given, R
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searches for a file called `.Rprofile' in the current directory or in
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searches for a file called `.Rprofile' in the current directory or in
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the user's home directory (in that order) and sources it into the user
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the user's home directory (in that order) and sources it into the user
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workspace. It then loads a saved image of the user workspace from
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workspace. It then loads a saved image of the user workspace from
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`.RData' in case there is one (unless `--no-restore' was specified).
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`.RData' in case there is one (unless `--no-restore' was specified).
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If needed, the functions `.First()' and `.Last()' should be defined in
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If needed, the functions `.First()' and `.Last()' should be defined in
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The R Project SVN
R