search for: crds

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2012 Sep 24
0
Deldir() Thiessen Polygons Problem
Good evening to all. I find myself trying to create some Thiessen Polygons, in order to finish a meteorology research. This is the script I found to create the Polygons: * * *voronoipolygons <- function(x) {* * require(deldir)* * if (.hasSlot(x, 'coords')) {* * crds <- x@coords * * } else crds <- x* * z <- deldir(crds[,1], crds[,2])* * w <- tile.list(z)* * polys <- vector(mode='list', length=length(w))* * require(sp)* * for (i in seq(along=polys)) {* * pcrds <- cbind(w[[i]]$x, w[[i]]$y)* * pcrds <- rbind(pcrds, pcrds...
2010 Nov 29
1
Moran I for very large data set
Hi Are there any more efficient ways of calculating the neighbourhood object for large datasets? I am trying to compute Moran I statistics for a very large data set (over 14,000 points). I have been using moran.test from the spdep package and everything works fine for a small data set (200 points). However, applying the same script to the whole dataset is taking days to compute (it so far has
2013 Apr 16
1
update config.guess and config.sub to support aarch64
Hello, would it be possible to update config.sub and config.guess to the latest versions (or at least version from automake-1.13.1) in order to support new architectures based on the ARM 64 bit CPU? Patch: http://plautrba.fedorapeople.org/openssh/openssh-latest-config.sub-config.guess.patch Related Fedora bug: https://bugzilla.redhat.com/show_bug.cgi?id=926284 Thanks, Petr