Re: [R-sig-Geo] About R

Hi, Did you read http://cran.r-project.org/doc/manuals/R-data.html ? Have a look at the rgdal package for many supported grid formats. For MATLAB, start with cran.r-project.org/doc/contrib/Hiebeler-matlabR.pdf , R.matlab package. Also, http://www.rseek.org can be helpful. On Wed, February 9,

[R-sig-Geo] Rasters average

Hi all, I'm trying to use MODIS 1day raster (.tif file) to obtain a, say, weekly raster which is the average of the seven 1 day raster. Using the following code (library raster) I can't obtain the results due to computational limits. #Input files (same dimension: [1310,1391]

Re: [R-sig-Geo] About R

I think r-sig-geo is not the right mailing list for this question. However, in addition to what was pointed out by Arien, for data import you may have a look to the following web site : http://www.statmethods.net/input/importingdata.html and also try within R: ?read.table ?read.csv I hope

[R-sig-Geo] RSAGA ta_morphometry methods Vs ArcGIS

Hi All, I am using RSAGA for the first time trying to extract some land surface parameters with ta_morphometry and wondering which method is used by ArcGIS to calculate slope, aspect, curvature, ... Methods: [0] Maximum Slope (Travis et al. 1975) [1] Maximum

Re: [R-sig-Geo] Building a grid that incorporates distance measurement

Hi Edzer. Thank you for your reply. After a bit of playing round I am close to a solution. Thanks Alex -Original Message- From: Edzer Pebesma [mailto:edzer.pebe...@uni-muenster.de] Sent: Monday, 7 February 2011 5:36 PM To: r-sig-geo@r-project.org Subject: Re: [R-sig-Geo] Building a

Re: [R-sig-Geo] Prediction in BIOMOD

Dear Marco, You did understand correctly. For having the predictions made on all background points, use the Projection function after the Models function. Best Wilfried Le 9 févr. 2011 à 15:02, Marco a écrit : Dear list: I am using package BIOMOD and have a question concerning model

Re: [R-sig-Geo] Rasters average

I'm trying to use MODIS 1day raster (.tif file) to obtain a, say, weekly raster which is the average of the seven 1 day raster. Using the following code (library raster) I can't obtain the results due to computational limits. Luca, You can do something like: s -

[R-sig-Geo] Using BA to estimate home range overlap

Hello, I am trying to use kerneloverlap from adehabitat to estimate overlap between the home ranges of red deer. For what I want to use the home range overlap for, I would like the overlap to take into account the UDs of the animals, but also to range between 0 and 1. From my reading of

[R-sig-Geo] spautolm - sanity check

Hello All, I have gone through ASDAR and hope that I have properly applied it's content. I have water color data sampled from polygons, which lie at the mouths of a rivers around an island. Due to ocean currents, bathymetry, and wind etc., I have the need to account for spatial

Re: [R-sig-Geo] RSAGA ta_morphometry methods Vs ArcGIS

You might try asking that in the gis.stacexchange.com list. There are many knowledgeable gis-ers there. On Wed, Feb 9, 2011 at 5:14 AM, Cavazzi, Stefano s.cava...@cranfield.ac.ukwrote: Hi All, I am using RSAGA for the first time trying to extract some land surface parameters with

Re: [R-sig-Geo] About R

Thank you very much to all of you. It was very helpful. Now i am able to read the data in R in txt format. Now i want to know how to check the size of data and reshape the data in R? As in Matlab we just write size(data) and reshape(data,..). How can we do that in R? My data size (from MATLAB) is

[R-sig-Geo] Background Points in SDMs: Regular or Random

Dear list: I am learning SDMs recently and got one questions and I am sure I can get the right answer here. For a certain area, the prediction of species distribution might dependent on the input of the background points, ie., the points that we would like to know if one or more species