[R] trouble in installing package "matching".

[Jp zhu]

I am a new R user. I trying to install a package all Matching but failed.
Here is the error msg.
> install.packages("Matching", dependencies=TRUE) 
Installing package(s) into ‘C:/Users/jzhu/Documents/R/win-library/2.13’
(as ‘lib’ is unspecified)
--- Please select a CRAN mirror for use in this session ---
Warning: unable to access index for repository
http://cran.wustl.edu/bin/windows/contrib/2.13
Warning: unable to access index for repository
http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/2.13
Warning messages:
1: In open.connection(con, "r") :
  unable to connect to 'cran.r-project.org' on port 80.
2: In getDependencies(pkgs, dependencies, available, lib) :
  package ‘Matching’ is not available (for R version 2.13.1)

Thanks.
JP

--
View this message in context: http://r.789695.n4.nabble.com/trouble-in-installing-package-matching-tp3858594p3858594.html
Sent from the R help mailing list archive at Nabble.com.