Hi, I need to install "lmtest package".I have tried to several times to install packages however I could not. Can anyone help? Best regards
install.packages () --- Please select a CRAN mirror for use in this session --- Warning: unable to access index for repository http://cran.cict.fr/bin/windows/contrib/2.12 Warning: unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/2.12 Error in length(pkgs) : 'pkgs' is missing In addition: Warning message: In open.connection(con, "r") : cannot open: HTTP status was '401 Unauthorized' [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
