[R]Installing and updating libraries

[Uwe Ligges]

Fredrik Lundgren wrote:
> 
> Dear R-experts,
> 
> When I try to install a library from a zipfile (or update already installed libraries) I get the following (or simular):
> 
> #######
> install.packages("D:/Mina dokument/Download/R/survival.zip", .libPaths()[1], CRAN = NULL)
> Error in zip.unpack(pkg, lib) : cannot open file D:/PROGRAM/R/RW1051/library/survival/libs/survival.dll
> #######
> 
> Any help available?
> 
> R is 1.51 and system Windows 98SE

I guess: The file is locked by your OS, because you have loaded the
package with library(survival) before.
Just start a without loading the package and try again.

Uwe Ligges
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