[R] defaults in R: packages, .Rhistory

[Roger D. Peng]

You can modify your sitewide Rprofile file (which for me is in 
C:\Program Files\R\rw1070\etc) and insert the line:

options(defaultPackages = character())

This should start R with no additional packages.  More information like 
this can be found in ?Startup.

-roger

Jacob Wegelin wrote:

> With the current version (rw1070), every time I start R it loads a whole
> bunch of packages, many of which I do not need in a typical session:
> 
> 
>>search()
> 
> [1] ".GlobalEnv"      "package:methods" "package:ctest"   "package:mva"
> [5] "package:modreg"  "package:nls"     "package:ts"      "Autoloads"
> [9] "package:base"
> 
> Loading all these packages makes R slow to start up, and I presume it
> uses up memory too.
> 
> Is there a reason that all these packages load automatically? Is
> there some way to stop this from happening, by changing some default?
> 
> 
>>version
> 
>          _
> platform i386-pc-mingw32
> arch     i386
> os       mingw32
> system   i386, mingw32
> status
> major    1
> minor    7.0
> year     2003
> month    04
> day      16
> language R
> 
> A separate question also related to defaults:
> 
> Is there a way to get R to refrain from truncating the .Rhistory file
> (removing the earliest saved commands), so that .Rhistory might serve
> as a permanent record of every command issued?
> 
> Thanks for any info
> 
> Jake
> 
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