Loading ...
Sorry, an error occurred while loading the content.
Advanced Search
Author
Subject
Message
Special notice only

Advanced Search
  • On Wed, 25 Oct 2000, Mark Hall wrote: > Have you checked out the R package available from www.lib.stat.cmu.edu/R and > its various add-on packages. All free! > > Best, Mark Hall The "spatial" package can be used (Venables & Ripley, MASS 3rd edition; package in the VR bundle on CRAN: > x <- runif(100000) > y <- runif(100000) > z <- 5*x + 3*y + 0.5*x*y + 1*x*x + 1.5*y*y + rnorm...
    Roger Bivand Oct 26, 2000
  • On Fri, 8 Sep 2000, Jonathan Reynolds wrote: > I'm an ecologist with an interest in wildlife disease epidemiology. I have > two unique datasets representing indices of occurrence of the same disease > in two species, both highly mobile terrestrial mammals. Visually (in > postings) the two maps are convincingly similar - i.e. these data are > ecologically very interesting indeed! I...
    Roger Bivand Sep 9, 2000
  • On Mon, 14 Aug 2000, ELSA NICKL wrote: > > Hello , > > I am doing a research about the application of spatial analysis > techniques > oriented to relate educational and geographical variables. I started > with the > analysis of autocorrelation for some variables using lattice data. > I would like to know in which case it is neccesary to standarize the > contiguity matrix by rows. I...
    Roger Bivand Aug 14, 2000
  • Fetching Sponsored Content...
  • On Tue, 21 Mar 2000, Martin BĂ©land wrote: > Hi, > > I am looking for a software to compute ripley's K univariate statistics > for determining if a pattern of point representing the location of trees > in a forest is random, uniform or aggregated. I also need to compute > ripley's bivariate statistic to determine if two groups of point (tree > species) are attracted or repulsed...
    Roger Bivand Mar 21, 2000