Re: [R] precision warning in delaunayn function

2012-07-26 Thread Rolf Turner
Not answering your question but . coord <- as.data.frame(coord) names(coord) <- c("x","y") require(deldir) tryit <- deldir(coord) plot(tryit) yields the attached graph. No problema. cheers, Rolf Turner On 26/07/12 19:26, Jean-Luc Dupouey wrote: Dear

Re: [R] precision warning in delaunayn function

2012-07-26 Thread Keith Jewell
Does > delaunayn(scale(coord),options="Qbb") help? Keith J On 26/07/2012 08:26, Jean-Luc Dupouey wrote: Dear R helpers, I try to use the 'delaunayn' function in the 'geometry' package for Delaunay triangulation in 2 dimensions. For the four following points, I get a warning message : > co

[R] precision warning in delaunayn function

2012-07-26 Thread Jean-Luc Dupouey
Dear R helpers, I try to use the 'delaunayn' function in the 'geometry' package for Delaunay triangulation in 2 dimensions. For the four following points, I get a warning message : > coord=matrix(ncol=2,byrow=TRUE,c(622633,7073452, + 621228,7073517, +