Hi, I'm not sure about your OS but I fixed while installing below packages on CentOS for RCurl
yum install curl yum install curl-devel Thanks, Divakar On Mon, Feb 29, 2016 at 6:32 AM, Loris Bennett <loris.benn...@fu-berlin.de> wrote: > Duncan Murdoch <murdoch.dun...@gmail.com> writes: > > > On 29/02/2016 6:09 AM, Loris Bennett wrote: > >> Hi, > >> > >> I recently installed version 3.2.3. When I call > >> > >> install.packages("RCurl") > >> > >> I get a pop-up menu labelled "HTTPS CRAN Mirror" with a shortish list of > >> mirrors. However, I don't seem to be able to reach any of these > >> mirrors, and always get an error like the following > >> > >> Error in download.file(url, destfile = f, quiet = TRUE) : > >> unsupported URL scheme > >> Warning: unable to access index for repository > https://cran.uni-muenster.de/src/contrib: > >> unsupported URL scheme > > > > That error message suggests the problem is in your build, e.g. possibly > an out > > of date or missing libcurl. What does capabilities("libcurl") say? > > FALSE > > It seems that R needs libcurl 7.28.0, but my platform (Scientific Linux > 6.7) only provides version 7.19.7. > > Thanks for the pointer. > > Loris > > > Duncan Murdoch > > > > > >> Warning message: > >> package ‘RCurl’ is not available (for R version 3.2.3) > >> > >> If I choose the menu entry "(HTTP mirrors)" I get the list of HTTP > >> mirrors with which I am familiar from previous versions of R. These > >> mirrors I can reach. > >> > >> I assume I have some local, probably firewall-related problem, but can > >> someone confirm that the HTTPS mirrors do indeed work? > >> > >> Cheers, > >> > >> Loris > >> > > -- > Dr. Loris Bennett (Mr.) > ZEDAT, Freie Universität Berlin Email loris.benn...@fu-berlin.de > > ______________________________________________ > 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. > [[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.