similar to: A package for spatial data classes: request for comments

Displaying 20 results from an estimated 600 matches similar to: "A package for spatial data classes: request for comments"

2004 Jun 16
0
gstat 0.9-12: cokriging cross validation and class name incompatibilities
I uploaded gstat 0.9-12 to CRAN, which has a few important changes: 1. Cokriging cross validation Cokriging cross validation is now possible with the function gstat.cv: you simply pass a multivariable gstat object, and cross validation is done for the first variable in the object. Optionally, secondary variable records at locations coinciding with the validation locations are removed. 2. Class
2004 Jun 16
0
gstat 0.9-12: cokriging cross validation and class name incompatibilities
I uploaded gstat 0.9-12 to CRAN, which has a few important changes: 1. Cokriging cross validation Cokriging cross validation is now possible with the function gstat.cv: you simply pass a multivariable gstat object, and cross validation is done for the first variable in the object. Optionally, secondary variable records at locations coinciding with the validation locations are removed. 2. Class
2006 Sep 22
2
proj4R library will not install
I'm hoping someone can help me. I have downloaded the proj4R.zip and under my version of R (2.3.1) I install the package from local zip file. This worked great. I then type library(proj4R) to load the library and I get the error: Error in library(proj4R) : 'proj4R' is not a valid package -- installed < 2.0.0? I have read through the install documentation and have downloaded and
2005 Jun 17
0
New CRAN package sp: classes and methods for spatial data
We're happy to announce the CRAN release of "sp", an R package which has new-style classes and methods for spatial data, version 0.7-9. Spatial data types that sp implements are: points, grids, lines, and polygons (i.e., rings) optionally with holes. Methods include + the usual print, summary, plot, [, [[, $, ... + coercion between types (e.g. points and grids, matrices,
2005 Jun 17
0
New CRAN package sp: classes and methods for spatial data
We're happy to announce the CRAN release of "sp", an R package which has new-style classes and methods for spatial data, version 0.7-9. Spatial data types that sp implements are: points, grids, lines, and polygons (i.e., rings) optionally with holes. Methods include + the usual print, summary, plot, [, [[, $, ... + coercion between types (e.g. points and grids, matrices,
2011 Mar 04
2
make an own (different) color legend with spplot()
Hi! Is there a way to manually costumize the color legend in an spplot() - especially where to draw ticks and labels for the ticks? The reason I'm asking: Usually spplot() automatically divides the data into fitting slices and makes a color legend (also automatically). I want to assign the slices myself and have a fixed scale instead of an automatic/dynamic scale. I think what I want
2011 Mar 02
0
spplot() - costumize the color-legend
Hi! Is there a way to manually costumize the color legend in an spplot() - especially where to draw ticks and labels for the ticks? The reason I'm asking: Usually spplot() automatically divides the data into fitting slices and makes a color legend (also automatically). I want to assign the slices myself and have a fixed scale instead of an automatic/dynamic scale. I think what I want gets
2006 Jan 10
0
new gstat version
Soon on CRAN a new version of package gstat will emerge, which has a few minor changes and possible incompatibilities w.r.t. the previous version(s). The new gstat (0.9-23) now: + depends on sp, and uses internally with Spatial* classes from sp if data are provided in the old-fashoned way (as data.frame) + has a vignette to get you started with the classes in sp + defines krige as a generic;
2006 Jan 10
0
new gstat version
Soon on CRAN a new version of package gstat will emerge, which has a few minor changes and possible incompatibilities w.r.t. the previous version(s). The new gstat (0.9-23) now: + depends on sp, and uses internally with Spatial* classes from sp if data are provided in the old-fashoned way (as data.frame) + has a vignette to get you started with the classes in sp + defines krige as a generic;
2011 Mar 09
0
intamap plot : specifying cutoffs
Hello all, A question for plotting of intamap results : Is it possible, and in so, how, to specify the cutoff points for changing colors of plots ? Using the example : data(meuse) meuse$value = log(meuse$zinc) data(meuse.grid) coordinates(meuse) = ~x+y coordinates(meuse.grid) = ~x+y object = interpolate(meuse,meuse.grid,outputWhat = list(mean = TRUE, variance = TRUE, excprob = 7, excprob = 8,
2012 Feb 24
1
Producing KML files
Hi, I am very new to R and I am trying to write KML files. I am running R-2.13.1 and I have the following packages: - AKIMA - RGDAL - RSAGA - SP I was trying to run the simple example that I found at the following web page: http://spatial-analyst.net/wiki/index.php?title=Export_maps_to_GE The lines that I can run are: data(meuse.grid)
2011 Mar 05
3
Change panel background color in spplot()
Hi! How does one change the background color of the map-panel in spplot()? Example: library(sp) data(meuse.grid) gridded(meuse.grid) = ~x+y spplot(meuse.grid, "part.a") How would I get another background-color for the map-panel (but not for the whole plot) here? Thank you! Marcel
2003 Oct 02
1
Are package maintainers responsible for name-mangling class names?
The following came up when Roger Bivand and I discussed R's name spaces and overlap in packages, in the bus to the field trip during StatGIS, last Tuesday: If two packages create the same class, say "variogram", and both are loaded, then using a method for an object of class "variogram" cannot discriminate between them and will call the method in the package loaded last.
2005 Jun 10
1
In connection with the creation of a grid of point with gstat
Hi ALL, With the pakage gstat How can one create a grid of points as in the meuse.grid example, from measuring sites as in the Meuse example Thanks in advance! Alain PONSERO Conservateur Réserve Naturelle de la Baie de Saint-Brieuc site de l'Etoile 22120 HILLION tel/fax : 02.96.32.31.40 <mailto:aponsero@cabri22.com> aponsero@cabri22.com
2003 Mar 07
1
REML option in gstat
Hi, please help!! I've been trying to fit variogram models using the REML method in the gstat package. Every time the Windows GUI crashes. For example library(gstat) data(meuse) x <- variogram(zinc ~ 1, ~x + y, meuse) v <- vgm(140000, "Sph", 800, nug = 10000) plot(x, model = fit.variogram(x, model = v, fit.method=5)) Other fit methods are non problematic (eg. fit.method=7
2008 Apr 01
1
spatial cross-correlation
Hi; I cannot find in the R html documentation a way to evaluate cross-correlation in 2D data sets. I would like to evaluate cross-correlation in a series of moving windows between two maps. i,e, specify several windows inside the complete 2D spatial matrixes and for each one ofthese windows evaluate the 2D cross-correlation (commonly conducted in the spectral domain). Thanks in advance and best
2011 Oct 26
2
SpatialLines
I'm hoping to use R for spatial analysis. In working through examples in Chapt. 4 of Applied Spatial Data Analysis with R I've come across the following error in trying to plot lines with the meuse data set. The text is verbatim from the book. > m.sl <- SpatialLines(list(Lines(list(Line(cc))))) Error in Lines(list(Line(cc))) : Single ID required What does "Single ID
2008 Apr 17
1
spatialpixelsdataframe
I have a spatialpixelsdataframe containing bathymetry data. Is it possible to save this as something similar to the meuse.grid so it can be loaded without having to run the spatial interpolation each time the script is called? I don't see a straightforward method in the sp documentation.
2001 Mar 05
0
re: Spatial stats: R vs. Splus
Paulo Justiniano Ribeiro Jr wrote: > Oi de novo Jose, > > > > Tal como disse na mensagem, as minhas qualidades de programador s?o bastante > > fracas, e neste momento estou a tentar resolver um problema com os meus > > dados. O processo estoc?stico que estou a estudar (n?mero de recrutas de > > pescada por hora) n?o ? gaussiano e as transforma??es que testei n?o
2004 Aug 06
0
UDP Vs. TCP
The project involves a "private" broadcast so setting up firewall rules and forwarding would be a problem ... I'm going to post the project proposal once I have it finished, since it is a really cool project. -----Original Message----- From: Steve Meuse [mailto:swave@mara.org] Sent: Thursday, February 20, 2003 9:19 AM To: icecast@xiph.org Subject: Re: [icecast] UDP Vs. TCP