similar to: R(D)-COM stat conenctor for ArcGIS

Displaying 20 results from an estimated 400 matches similar to: "R(D)-COM stat conenctor for ArcGIS"

2003 Jan 08
2
Maps in R
Is there a way to generate maps in R. Specifically, I have calculated estimates of intra-regional inequality for US states, and would like to project that information onto a map. Thanks, Nirmala
2003 Dec 18
1
bootstrap pValue in DClusters
Hello R-List I use DClusters package (I work in a cancer regestry). I have 2 questions about it: 1-how is it possible to get back the bootstrap pValue? I mean the pValue of the calculated statistic with respect of the distribution of this statistic under the null hypothesis. 2-how is it possible to test an overdispersion in the poisson model? for choosing a best model I need this mesure of
2008 Apr 04
2
Reading an ArcGIS raster file
Dear members, How can I read and plot an ArcGIS raster file into R ? The file has extension .aux and contains floating point bathymetry data. The purpose is to create a spatial model in R that uses ArcGIS map data. I have managed to read and plot various shape files into my R project, but I am stuck with this now. I am new to this list and also to R, so any help would be much appreciated. Many
2011 Apr 11
4
nndist R vs. ArcGIS
Can anyone tell me why I would get different average nearest neighbor values for the same set of coordinates between ArcGIS 10 and R? Sometimes the difference in distance is over 1.3 km. Alexis -- View this message in context: http://r.789695.n4.nabble.com/nndist-R-vs-ArcGIS-tp3442375p3442375.html Sent from the R help mailing list archive at Nabble.com.
2013 Mar 04
1
Mysterious issues with reading text files from R in ArcGIS and Excel
It seems within the last ~3 months Ive been having issues with writing text or csv files from a R data frame.  The problem is multifold and it is hard to filter  out what is going on and where the problem is.  So, Im hoping someone else has come across this and may provide insight.   My current settings for R: R version 2.15.2 (2012-10-26) Platform: x86_64-w64-mingw32/x64 (64-bit) locale: [1]
2012 Sep 02
1
why variations in accuracy between R to ARCGIS for the same point reprojection?
Hi everyone, I wonder if anyone knows the reason why the outputs of the same reprojection in r and arcgis are different?. The magnitude of the change can be up to 40 km in the poles. Basically, I have a database of points equally separated by one degree over the globe. In ARCGIS, I am projecting the data in GCS-WGS-1984 and then reprojected it to Berhmann to ensure equal area
2013 Apr 12
1
produce a map in ARCGIS from a GAM output
Hi, I am trying to predict the habitat suitability of lobster with GAMs. I need to produce a map in ArcGis of the predicted densities. I did some search and the function predict.gam seems to do the job. Is this the right way to do it? when you apply the function you get the predicted values (different from your input data points) but I do not understand what is the procedure with the spatial
2010 Jan 25
4
R Output and ArcGIS
Dear all, I've been using R on a Mac to process some data for export to ArcMap GIS (which only runs on Windows). ArcMap seems to require tab-delimited data (my data are in 3 columns), so I've been using the sep="\t" argument. However, this resulted in strange end-of-line characters when displayed on a PC. I looked in the write.table help file to find that eol="\r\n"
2004 Feb 25
2
writing polygons/segments to shapefiles (.shp) or other ArCGIS compatible file
I am not sure a previous e-mail reached the list (no mail aknowledgement from R-boundle etc.). The question was how to write polygon or segment coordinates into a shapefile set or any other ArcGIS supported format. The library shapefiles seems to do something but the documentation is a bit beyond of my mind.... and I cannot get the meaning of the functions write**** and its application to the case
2006 Mar 24
1
who can tell me the reason why it is different on calculating Moran's I using ARCGIS, Geoda and R?
The attachment is my dataset: 1.ccc.shp (the original data) 2.ccc.gwt, which is computed by Geoda; Introduction to the variables in my data: ID: key variable; N_LATITUDE: latitude measured by GPS; E_LONGITUD: longitude measured by GPS; LIVES: attribute data I get the different result of Moran's between ARCGIS and Geoda, R, why? ARCGIS:spatial statistics tools:spatial
2012 Jul 17
0
Arcgis in R
Hi all, I am very knew to this R and Arcgis combination. I have already spent days attempting to find my answer but have failed, therefore could you please if possible explain any answers in simple form. I am trying to access Arcgis through R, following a few steps: 1) Set up working directory 2)connect to Python 3) import arcgis- however, when I get to the import stage it comes up with an error
2013 Mar 21
0
Problems of exporting raster to ArcGIS
Hello: I am using R raster package to replace ArcGIS when processing multiple shp files. However, when I export R raster back to ArcGIS, it couldn't recognize R raster file correctly. For example, I used {raster} package and got a RasterLayer as followed. class : RasterLayer dimensions : 8280, 18480, 153014400 (nrow, ncol, ncell) resolution : 0.008333334, 0.008333334 (x, y)
2014 Oct 24
1
rgdal: Convert ESRI ArcGis geo database (gdb directory) to geojson, or shapefile map
Hello, I have an ESRI ArGis geo database directory which I would like to convert to geojson or a shape file (or anything else that I can read into R). Unfortunately that does not work out of the box with rgdal, because it does not come with the fileGDB or openfileGDB driver. I could successfully install gdal and the fileGDB driver/extension, but it seems that i can use gdal only to convert the
2011 Apr 22
3
Reading a TIFF file
Dear all, I have been trying to speed up a process we have been done in ArcGIS. We have to read a single layer TIFF (monochrome image) in . For this, I have used the "rtiff" package. After reading the TIFF file, I compared the raw values for each pixel that I have in ArcGIS to the ones obtained in R. In ArcGIS I have discrete values in the range 0..255, while in R I have continuous
2008 Feb 18
2
fonts
Hello every body, i?m testing some w32 apps with wine and I found some problems. Trying to install ArcGIS (My first installation), I had the following error: Need internet explorer 6. Well I installed IE 6, and continue installing ArcGIS, it was installed succesfully, but it installed Phyton, and throw some problems. Well finally installed I run ArcGIS and the fonts were crazy, I didnt see
2013 Mar 05
1
R-help Digest, Vol 121, Issue 5
On R 2.15.2 and ArcGIS 9.3.1, it works for me in ArcCatalog but you have to follow the particulars here: http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=Accessing_delimited_text_file_data For example: write.table(test, '***.tab', sep = '\t', row.names = F) The extension .tab and sep = '\t' are required for text files. Didn't test row.names=T but I
2025 Jun 02
2
Specifying a long string literal across several lines
One could also argue that paste0("a", "b", "c") is a function call that needs to be evaluated at runtime, whereas "abc" is a string constant understood by the parser, and often also language agnostic. I'd assume compilers and code- and text-search tools do a better job with the latter. /Henrik On Mon, Jun 2, 2025 at 2:18?PM Josiah Parry
2025 Jun 02
2
Specifying a long string literal across several lines
I suppose taste is learned as well. It does feel quite odd that the best way to define a long string without a note or text wrapping is by being creative with functions. This is valid in Python, Julia, and Rust (if you add `let` and a terminating semi-colon): my_str = "part1\ part2\ part2" I don't think it is abnormal to expect or desire this type of functionality in our favorite
2011 Jul 29
5
HIRHAM netcdf files
Can someone help me out with a "small" problem? I've started using netcdf files recently, and I want to extract the grid id and also the coordinates from a HIRHAM netcdf file. I know how to extract a slice of dataset both in space and in time and I also know the area that this file should cover, however I have no idea regarding the reference for both LAT/LON and RLAT/RLON. I tried
2025 Jun 02
1
Specifying a long string literal across several lines
On 6/2/25 17:37, Josiah Parry wrote: > Tomas, > > Here is a good example of where this functionality would be useful: > https://github.com/R-ArcGIS/arcgislayers/blob/2b29f4c254e7e5a1dadce8d4b0015a70dfae39d4/R/arc-open.R#L19-L56 > > In order to prevent R CMD check notes I have to use `paste0()` to > concatenate long URLs. If we were able to use `\` to > separate the string