On Wed, Jun 19, 2013 at 11:50 AM, Erin Hodgess <erinm.hodg...@gmail.com> wrote: > Hello yet again, R People: > > I was working with Ryacas and yacas last night and all was well. > > Now this morning, I keep getting the following: > >> a <- Sym("a") >> a > Error in summary.connection(x) : invalid connection >> > > When I go to yacas from the command line, it works fine. > > Any suggestions, please? > > I'm thinking that a port might be open, but here I have: >> showConnections() > description class mode text isopen can read can write >> > > I'm working with R-3.0.1 on Windows 7. >
I am running Ryacas using R 3.0.1 on Windows 8 so its unlikely it does not run on Windows 7. Read the troubleshooting section on the home page. http://ryacas.googlecode.com -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ 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.