[R] how to install R 3.0.1

[Uwe Ligges]

On 01.06.2013 02:02, Ranjan Maitra wrote:
> On Fri, 31 May 2013 18:10:19 -0500 Robert Baer <rbaer at atsu.edu> wrote:
>
>> On 5/31/2013 11:59 AM, Ranjan Maitra wrote:
>>> Hi John,
>>>
>>> I suspect you may be missing a c()?
>>>
>>> On Fri, 31 May 2013 06:05:45 -0800 John Kane <jrkrideau at inbox.com>
>>> wrote:
>>>
>>>> paks  <-  install.packages( "Hmisc", "plyr")
>>> paks <- install.packages( c("Hmisc", "plyr"))
>>>
>>>
>>>>     install.packages(paks)
>>>> You can use the command  library()  to get a list of what is installed on your machine.
>>> Is it possible to get this as a vector of only the package names, or
>>> is post-processing the output of library() the only way out?
>> Do you mean something like:
>> paks = library()$results[,1]
>> save(paks, file = 'paks.RData')
>> Rob
>
> Exactly! Then
>
> install.packages(library()$results[,1])
>
> does all the updated installs in one shot.


Why do you want to reinstall all packages?

I'd go for
udpate.packages(checkBuilt=TRUE)
if a reinstallation after an update of R is what you are aiming at.

Best,
Uwe Ligges



> Thanks!
> Ranjan
>
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