Displaying 6 results from an estimated 6 matches similar to: "RGDAL OGRwrite question"
2009 Aug 30
1
Trying to rename spatial pts data frame slot that isn't a slot()
Dear List,
I am analyzing the home range area of fish and seem to have lost the individuals ID names during my manipulations, and can't find out how to rename them. I calculated the MCP of the fish using mcp() in Adehabitat. MCP's were converted to spatial points data frame and exported to qGIS for manipulations. At this point the ID names were lost. I brought the manipulated
2011 Nov 04
2
How to write a shapefile with projection
Hi,
?
I am trying to write a shapefile with projection. I have
my data in a data.frame called try and consists in xy coordinates and a
numerical attribute value z1.
?
Libraries loaded are: sp, rgdal, raster, maptools
?
head(try)
???????? x?????? ??? y??? ? ? ? ? ? ? ??? z1
1 610237.1 ???????? 3375751
???????????? 8.221
2 610236.1 ???????? 3375750
???????????? 8.153
3 610236.1 ????????
2009 Oct 28
2
Re ading and Creating Shape Files
Hello R Community,
I have imported a dataset which contain X Y coordinates and would like to
recreate a shape file after some data analysis. What i have done is to
import some taxlot data and join them based on some criteria. I want to
check to see how well the joining went by reviewing the results in GIS.
A couple things. I cant seem to import a shape file correctly using the
maptools
2012 Feb 22
1
How can I save plot()/points() using SHP files into KML format?
Hi,
I am new to R and am a very basic user. I'm importing SHP files, adding
plots of random locations within my polygon (these files have GPS data), and
then want to save these plots (intact with added points) as KML files to
look at in GoogleEarth (or possibly as SHP files which I can then convert
into KML).
This is as far as I've gotten (code below) and am lost as to next steps,
Any
2010 Apr 01
3
Using GIS data in R
I have a simple problem: I need to load a ERSI shapefile of US states
and check whether or not a set of points are within the boundary of
these states. I have the shapefile, I have the coordinates but I'm
having a great deal of difficulty bringing the two together. The
problem is the various GIS packages for R do not play well with each
other. sp, shapefiles, maptools, etc all use different
2009 Sep 01
1
Logistic Politomic Regression in R
Hi everyone,
I'm trying to do an Logistic Politomic Regression in R. Because I have my resposes variables and the aswer is 0 and 1 in 3 bacterial genes. Somebody know how to do this in R in a easy way?
Thank so much,
José Bustos
Facultad de Ciencias
Universidad Catolica Ssma.
Concepcion
Chile
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