[R] install R packages

Li, Jia LI at nsabp.pitt.edu
Thu May 19 16:03:49 CEST 2005


Dear All,
 
When I tried to install R packages I found this error:
> library(survival)
Loading required package: splines
> install.packages("splines")
--- Please select a CRAN mirror for use in this session ---
Warning message:
package splines is in use and will not be installed 

But I just opened R, and have used anything yet, how come did it say "package splines is in use"?
 
Thanks
 
Jia




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