Suppose you have: > x <- runif(25) > y <- rnorm(25) > x.df <- data.frame(x,y) > dist(x.df)
The default is euclidean distance. Hope this helps! Sincerely, Erin On Jan 20, 2008 2:41 PM, WCD <[EMAIL PROTECTED]> wrote: > > Hello, I want do get the point to point distance matrix. > Suppose, I have a data frame where the first column is X and second column > is Y coordinate of points. > I define a function dst(x1,y1,x2,y2) to claculate distance between two > points. But I don't know how to tell R to calculate dst for every two points > and create a matrix of these distances. > > Can you give me a little guidance, please? I am quite new to R and > programming. > Thanks for every advice. Filip Kral. > > -- > View this message in context: > http://www.nabble.com/distance-matrix-tp14986595p14986595.html > Sent from the R help mailing list archive at Nabble.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. > -- Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houston - Downtown mailto: [EMAIL PROTECTED] ______________________________________________ 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.