In addition to which, R-sig-geo would be better place to ask. -Don -- Don MacQueen
Lawrence Livermore National Laboratory 7000 East Ave., L-627 Livermore, CA 94550 925-423-1062 On 10/26/11 10:39 AM, "Duncan Murdoch" <murdoch.dun...@gmail.com> wrote: >On 26/10/2011 1:11 PM, Mark Newcomb wrote: >> I'm hoping to use R for spatial analysis. In working through examples >>in Chapt. 4 of Applied Spatial Data Analysis with R I've come across the >>following error in trying to plot lines with the meuse data set. The >>text is verbatim from the book. >> >> > m.sl<- SpatialLines(list(Lines(list(Line(cc))))) >> Error in Lines(list(Line(cc))) : Single ID required >> >> What does "Single ID required" mean? > >That message is coming from a contributed package, not from base R. You >should say what package you're using, and you may need to contact the >author or maintainer of it to get an answer. > >Duncan Murdoch > >______________________________________________ >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. ______________________________________________ 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.