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On Mon, 24 Oct 2011, Nick Matzke wrote: > Hi all, > > I have a shapefile with a number of line features. I can load it and plot > it. Is there an easy way to downsample or smooth the shapefile to a...
Martin Ivanov <tramni <at> abv.bg> writes: > > Dear R users, > > I have the following problem. I plot a SpatialPixelsDataFrame object with spplot and I need to add a contourplot > of another spatial variable. ... You may find that posting to R...
Edzer Pebesma and Colin Rundel have made progress with finding and removing memory leaks on rgeos, so we've released 0.2-1. It would be useful to receive reports on changes in usability. The OSX binary for 0.2...
Dear all, The latest issue of The R Journal is now available at: https://journal.r-project.org/archive/2017-1/. Many thanks to all contributors - especially reviewers and authors. Regards, Bettina -- Roger Bivand Department of Economics, Norwegian School of...
On Mon, 13 Aug 2012, Everton Emanuel wrote: > Dear all, > > I have a 'nb' neighbourhood class object and I want to convert it in a matrix > object. I have searched for functions in the spdep library, > without success. Does anyone...
On Fri, 20 Mar 2015, Srinivas V wrote: > Hi, > > Is there a way to create higher order neighbours in R? I'm using the > poly2nb command to generate the list of neighbours and I don't see an > option to...
Erin Hodgess <erinm.hodgess <at> gmail.com> writes: > > Dear R People: > > Are there functions for spatial AR and ARIMA models in R, please? Would looking at the "Spatial" task view on your CRAN mirror help? If by AR you mean...
On Thu, 26 Jan 2012, Sandeep Patil wrote: > Hello everyone, > > Does anyone know of a package in R that implements spatially weighted > regression and its leave out one cross-validation version. Have you reviewed the "Spatial" task view on your...
Building R 4.5.0 from source on Fedora 42 hits problems because 42 ships with Tcl/Tk 9. tcl8-devel and tk8-devel are available and can be used, but I haven't yet found a viable incantation yet...
Please see R-sig-Mac for Prof. Brian Ripley's message about test candidate macOS R-spatial package binaries using PROJ, GEOS and GDAL: https://stat.ethz.ch/pipermail/r-sig-mac/2020-June/013599.html Please report back in...
<Rizzo.Michael <at> epamail.epa.gov> writes: > > I need to calculate the centroids of some spatial polygons that I have > placed into a Polygons-class object. Is the labeling point in the > Polygons-class the centroid of the polygon? > Yes...
On Fri, 22 Sep 2006, Sam Field wrote: > Is there a way to zoom into a region on the map using the edit.nb > function. I have tried the xlim and ylim arguments to no effect > (they work when ploting...
On Wed, 2 Apr 2003, John Janmaat wrote: > Hello All, > > Is there a fast way to find the index(row and column) of a point in a > matrix? > x <- matrix(rnorm(25), 5, 5) > which(x < -1, arr.ind=TRUE...
On Wed, 26 Mar 2003, Philippe Hup? wrote: > Hello, > > Does anyone know any package which can perform spatial clustering ? > That depends on what you mean by spatial clustering? Of points on a plane, maybe - if so, spatial, spatstat, and splancs...
On Thu, 14 Jun 2012, ROKHANA dwi bekti wrote: > ? > Dear list, > I will do research about "Estimation of simultaneous systems of spatial model by GS2SLS". > What package can be used? > ? Try install.packages("spse", repos="http://R-Forge.R-project...
On Thu, 19 Jun 2003, R A F wrote: > Hi all, what's the way to check for this? I know of "file.exists," but that > does not > preclude the possibility of an empty file. > file.info("file")$size > Thanks...
Tom Detzel <Tom.Detzel <at> propublica.org> writes: > > Hey Folks, > > Apologies in advance if this has been covered. > > I'm taking on a simple mapping project. What packages, tutorials and > examples would you recommend for a > beginning mapper in R...
On Fri, 26 Oct 2007, Dylan Beaudette wrote: > Hi, > > noticed that when I import a shapefil with readOGR() the coordinates are > truncated to integers. Is there some way to prevent this type of behaviour? Can you please document this - are...
Hi, I run an updated Fedora platform, and can build R under clang 18.1.8. If the affected package is Colossus, and https://github.com/ericgiunta/Colossus is the appropriate repo, could you indicate where you posted the error...
(apologies for out-of-thread response) Both plot() and SpatialPolygons are S4, so see: https://cran.r-project.org/doc/manuals/r-release/R-exts.html#Namespaces-with-S4-classes-and-methods for guidance, probably importClassesFrom(sp, SpatialPolygons) importMethodsFrom(sp...
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