I am very new to the use of R and trying to install it in order to use a package called mh1823 for determining Probability of Detection stats for Non-Destructive Evaluation. I have hit an immediate problem installing the xlsx package and get the following messages:
Warning: unable to access index for repository http://star-www.st-andrews.ac.uk/cran/src/contrib Warning: unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/src/contrib Error in install.packages(NULL, .libPaths()[1L], dependencies = NA, type = type) : no packages were specified In addition: Warning message: In open.connection(con, "r") : cannot open: HTTP status was '0 (nil)' I do not seem to be able to get past this issue, though am able to load the mh1823 POD package successfully from local zip file Regards, Tom Tom Knox NDE Subject Matter Expert Upstream Engineering Centre BP Sunbury-on-Thames Mobile: +44 (0)7796 182926 Fax: +44 (0)1932 763439 E-mail: tom.k...@bp.com Postal Address: Building H, BP Exploration, Chertsey Road, Sunbury-on-Thames, UK, TW16 7LN [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.