You can't do this uniquely (shifts, rotations and reflection do not change the distances), but cmdscale() will produce one reconstruction.
On Thu, 22 Nov 2007, Jesse D Lecy wrote: > Greetings, > > I would like to use some of the spatial statistics functions in R, but I am > having trouble entering data. My data is already in a distance matrix > format, not an X Y coordinate format (each Xij cell in the matrix represens > the distance from point i to j). Does anyone know of a way to convert a > distance matrix to a ppp object in spatstat, or an X,Y coordinate system for > other packages? > > Thanks, > Jesse -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ 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.
