similar to: Coordinate systems for geostatistics in R

Displaying 20 results from an estimated 1000 matches similar to: "Coordinate systems for geostatistics in R"

2008 Aug 23
0
Coordinate systems for geostatistics in R (imicola)
> If you use the spatial objects provided by the > sp-package (http://cran.r-project.org/web/packages/sp/vignettes/sp.pdf) > you transform your data to other projections using the spTransform package. Thus you will need the rgdal package in complement (it actually includes spTransform). This function is extremely convenient: you can manage coordinate transformations extremely easily
2006 Oct 18
1
conversion of LL coordenates to UTM problems (ED50-WGS84 format)
Hi R-Users, I have plotted a region whose polygon coordinates are given in shp format ED50 UTM (zone=30) ) using "readShapePoly" in library(maptools). Now I need to plot a set of points in that region (my.dataframe, with X and Y geographic coordinates), which have been read using GPS in Longitud-Latitud form (using WGS84 system), so I first need to convert these Longitud-Latitud data
2008 Jul 01
2
"Invalid object" error in boxplot
Hi, I'm trying to make a boxplot with the data at the end of the message, and when I try to execute the command >boxplot(Diatoms) (or for any other field instead of "Diatoms") I get the following error message: Error in oldClass(stats) <- cl : adding class "factor" to an invalid object Any advice would be much appreciated. Thanks a lot, Miriam Date
2003 Mar 12
0
[S] Gstat: multivariable geostatistics for S (R and S-Plus)
The majority of the functionality present in the gstat stand-alone program (http://www.gstat.org/) is now available as a package/library for the S language (R, S-Plus), again called gstat. The package provides multivariable geostatistical modelling, prediction and simulation, as well as several visualisation functions. Gstat was started 10 years ago and was released under the GPL in 1996; the
2003 Mar 12
0
[S] Gstat: multivariable geostatistics for S (R and S-Plus)
The majority of the functionality present in the gstat stand-alone program (http://www.gstat.org/) is now available as a package/library for the S language (R, S-Plus), again called gstat. The package provides multivariable geostatistical modelling, prediction and simulation, as well as several visualisation functions. Gstat was started 10 years ago and was released under the GPL in 1996; the
2008 Aug 19
4
converting coordinates from utm to longitude / latitude
Hi, is there a function in R to convert data read with read.shape and which is originally in UTM coordinates into longitude / latitude coordinates? I found the convUL() function from the PBSmapping package but I have no idea how I could apply that to the read.shape object. Many thanks, Werner __________________________________________________ Do sragenden Schutz gegen Massenmails.
2011 Jan 03
1
Modules for using geostatistics for image classification
Hello everyone! I am using GRASS with spgrass6 for my work. I will be using variograms in the process of landsat image classification. I am quite ok with GRASS but am finding R really tough. I understand that spgrass6 is a link between GRASS and R which can read and write raster/vector layers. Out of really many packages in R, for generating variograms out of landsat images which packages of R
2012 Jun 05
2
Converiting longitude/latitude to utm
Dear all, I have been trying to convert coordinates from longitude/latitude to utm but I got an error. As soon as the longitude coordinate is greater than 90, I get the folloowing error message: "error in pj_transform: latitude or longitude exceeded limits" Here is what I did: SP<-SpatialPoints(cbind(126.59,-14.30),proj4string=CRS("+proj=longlat"))
2016 Jul 20
4
un solo un favor
Hola a todos Esta es mi primera pregunta en el grupo, y es sencilla pero me tiene atascado. Estoy tratando de cortar mi mapa de (poner limites en UTM) en un lugar definido como mi area de estudio (en este caso el sur de chile). Pero creo no estar usando bien la función CRS ponendo bien los limites requeridos. > study_area <- readRDS("CHL_adm0.rds") > study_area_UTM <-
2012 Mar 16
1
Spatstat - coordinates in observation window
Dear R users, I wish to run spatial point pattern analysis (e.g. pair correlation function, mark correlation function) for which I need to create an observation window (window=owin) from which the spatial analysis is generated. The command I used to create this observation window as follows: X1<- ppp(x, y, window=owin(c(80.58,144.96),c(101.06,165.13)),
2005 Jun 09
1
Using transform on spproj package.
Hi, I'm trying to use transform my mercator locations into utm but I'm doing something wrong because only x is transformed ... see > xy.sp SpatialPoints: loni lati [1,] -8.85 38.16 [2,] -9.19 37.99 [3,] -9.11 37.97 [4,] -9.06 38.15 [5,] -9.03 37.87 [6,] -9.14 37.81 [7,] -9.09 37.70 [8,] -8.95 37.45 [9,] -9.17 37.37 [10,] -9.00 37.34 Coordinate Reference
2020 Oct 20
1
sp:gIntersection warning message about projection
Hi, I am using in my workflow gIntersection from sp package. Part of my relevant sessionInfo is: R version 4.0.3 (2020-10-10) Platform: x86_64-w64-mingw32/x64 (64-bit) Running under: Windows 10 x64 (build 17763) attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] CircStats_0.2-6 boot_1.3-25 MASS_7.3-53 stringr_1.4.0
2012 Oct 18
1
spTransform longlat to utm
Dear all, I am trying to project my LongLat-maps to a plane. The ultimate purpose is to do a search of points in vicinity of other points using overlay-commands (sp) with radius in km. I am applying spTransform (package rgdal) and it gives my some curious results. An example. Let's take a point lying somewhere in Germany, zone=32U x <- 8.968735 y <- 49.454735 After conversion I
2007 May 07
0
H-scatter plot in geostatistics
Hello: I would like to make h-scatter plot. My data looks like as follow: x, y, z, 12.0, 11.2, 12, 10.21, 5.42, 8, 5.12, -8.25, 7, .... I want to make h-scatter plot for the z values by difference distance h from 1 to 20. There are 1023 observations. Do I need to change data class from data-frame to others? I am not sure we can make h-scatter plot in R. Have a nice day. HongSU.
2013 Apr 08
1
Computational Ecologist Job at NOAA in Silver Spring, MD -- Marine Wildlife Spatial Modeling in R
The NOAA National Centers for Coastal Ocean Science is hiring a Computational Ecologist, a statistical/computational ecologist with experience fitting advanced spatial models to marine wildlife survey data (e.g., seabirds and marine mammal transects, fisheries trawl surveys) in R and other statistical languages. This is a full-time, long-term stable contract position. We are looking for an
2020 Feb 19
2
Pregunta sobre rLandsat
Hola grupo, estoy siguiendo una gu?a de la librer?a rLandsat que me la he descargado de: devtools::install_github("socialcopsdev/rLandsat") Y tras hacer los siguiente (obviamente tengo me he registrado previamente en la api correspondiente): product_id = c("LC08_L1TP_145049_20180301_20180308_01_T1", "LC08_L1TP_145049_20170330_20170414_01_T1",
2009 Jul 01
1
Map projections - converting latitude/longitude to eastings and northings
I am trying to set up a Grass project and need to set up the region so that I can view the map. I can look at a map and find the lat/lon, but the map projection is in UTM NAD38 WGS84 and I need to set the eastings and northings. Is there a package that will help me calculate this in R. thanks -- Stephen Sefick Let's not spend our time and resources thinking about things that are so little
2012 Oct 18
2
Re-projecting geotiff
Dear R users, I'm currently trying to re-project a geotiff in another coordinate system. For instance, I have a tif image in UTM 19 zone which I would like to reproject into UTM 18. I was wondering if it was possible in R. Furthermore, I looked into 'rgdal' package, but I can't really find out if I'm doing the right thing. So far, here is what I'm doing: library(rgdal)
2020 Feb 20
3
Pregunta sobre rLandsat
Hola Ángel: Yo creo que tendrías que establecer el sistema de coordenadas de referencia de tu objeto raster antes de salvarlo como GTiff. Algo así: crs(r1) <-"+proj=utm +zone=14 +datum=WGS84" Saludos, Marcelino. El 20/02/2020 a las 1:42, Angel Cervantes escribió: > Hola a todos, quisiera pedirles su ayuda. Estoy tratando de crear un raster a partir de una tabla de datos
2009 Feb 05
2
split dataset randomly in prediction and validation set
For a geostatistical analysis, I would like to split my dataset randomly into 2 parts: a prediction set (with 2/3 of my data) and a validation set (with 1/3 of my data). Both datasets will thus contain different data. Any suggestions? [[alternative HTML version deleted]]