On Tue, 5 Jan 2010, Mailhiot, Joshua wrote:
Hi folks,
Long-time lurker, first time poster here. I have a conundrum that
perhaps you might have come across. I'm getting an error when I try to
compile some of my R spatial code:
Error in write.asciigrid(xx2_res["NPHS"], newHSmap_asc, attr = 1,
na
On Wed, 6 Jan 2010, Noli Sicad wrote:
Hi,
I have problem transposing my database table which is to be merged /
joined with the shapefile file (*.dbf) inorder to have one-to-one
relationship with shapefile polygon. As we know that inorder for the
polygon to be rendered in GIS, it has to have one
On Wed, 6 Jan 2010, Pierre Roudier wrote:
Dear list,
I'm looking for an easy way to test if a point pattern (I got a data
frame of x and y coordinates) is on a regular grid or not.
I'm aware of the gridded() function in sp(), but this function is
devoted to assign rather than to test, as far a
Hi,
I have problem transposing my database table which is to be merged /
joined with the shapefile file (*.dbf) inorder to have one-to-one
relationship with shapefile polygon. As we know that inorder for the
polygon to be rendered in GIS, it has to have one-to-ope relationship.
One to many table:
Dear list,
I'm looking for an easy way to test if a point pattern (I got a data
frame of x and y coordinates) is on a regular grid or not.
I'm aware of the gridded() function in sp(), but this function is
devoted to assign rather than to test, as far as I know. I'm pretty
sure there's an easy way
Hi folks,
Long-time lurker, first time poster here. I have a conundrum that
perhaps you might have come across. I'm getting an error when I try to
compile some of my R spatial code:
Error in write.asciigrid(xx2_res["NPHS"], newHSmap_asc, attr = 1,
na.value = -) :
Asciigrid does not support
Hello,
I have recently read an interesting article about integrating Limited Area
Models (LAMs) into kriging with external drift for temperature (Libertà et al.
link below).
www.wmo.int/pages/prog/www/IMOP/.../IOM.../P2(05)_Perini_Italy.doc
As I understand, it seems that the authors generated
Dear Roger,
thank you for your quick response!
If I understand it correctly, the hat matrix is calculated using all
explanatory variables. In my case, however, I would need to restrict the column
space to those covariates where I assume varying coefficients (as in eq. (3)),
and for this purpo
On Tue, 5 Jan 2010, Marco Helbich wrote:
Dear Roger,
thank you for your quick response!
If I understand it correctly, the hat matrix is calculated using all
explanatory variables. In my case, however, I would need to restrict the
column space to those covariates where I assume varying coeffi
On Tue, 5 Jan 2010, Marco Helbich wrote:
Dear list,
I am trying to fit a mixed geographically weighted regression model (with
adaptive kernel) using the spgwr package, i.e. I want to hold some of the
coefficients fixed at the global level. Thus, I have the following questions:
1. Which is th
Dear list,
I am trying to fit a mixed geographically weighted regression model (with
adaptive kernel) using the spgwr package, i.e. I want to hold some of the
coefficients fixed at the global level. Thus, I have the following questions:
1. Which is the most efficient way to estimate such a mode
Hello.
How about this.
http://translate.google.co.jp/translate?js=y&prev=_t&hl=ja&ie=UTF-8&layout=1&eotf=1&u=http%3A%2F%2Fwww.okada.jp.org%2FRWiki%2F%3FGoogleEarth%25A4%25C8R%23d46aa784&sl=ja&tl=en
Original language is Japanese.
Regards.
--- Thomas Adams
On Tue, 5 Jan 2010, Strubbe Diederik wrote:
Dear all,
I have a dataset with several lat-long coordinates (48) and corresponding
residuals values (not a grid). Using the spdep package, I try to create a
correlogram of these residuals according to several lags (i.e. distance
classes) but I can
Thanks again for the fast reply,
In fact this problem is only a tiny part of the project and I'll need
to run this overlay operation over more than 600 polygons (watersheds)
to get mean values (and standard error) of ~10 environmental variables
(rasters that are not at the same resolution,
Dear all,
I have a dataset with several lat-long coordinates (48) and corresponding
residuals values (not a grid). Using the spdep package, I try to create a
correlogram of these residuals according to several lags (i.e. distance
classes) but I cant seem to get the neighborhood and weights rig
Adam,
Do you mean PRISM maps such as these: http://www.prism.oregonstate.edu/
? If yes, then the question would be, do you want to duplicate the PRISM
methodology or effectively get similar results? One could use universal
kriging using gstat or methods proposed by
Tom
Adam A wrote:
Hello
On Tue, 5 Jan 2010, Adam A wrote:
Hello!
Can I make prism maps in R
library(fortunes)
fortune("Yoda")
But should you want to - they do seem to be much more open to
misinterpretation than more conservative representations?
Roger
On Tue, 5 Jan 2010, laure velez wrote:
Many thanks for the fast replies,
@ Roger : polygons and raster are ok (see attached file).
@ Johannes : I have already try this but the result was not satisfying, using
a SpatialPointsDataFrame do not solve the problem as the points are not inside
Many thanks for the fast replies,
@ Roger : polygons and raster are ok (see attached file).
@ Johannes : I have already try this but the result was not satisfying, using
a SpatialPointsDataFrame do not solve the problem as the points are not inside
the polygon (see attached file).
I gues
Hello!
Can I make prism maps in R
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On Tue, 5 Jan 2010, laure velez wrote:
Dear list member,
Although the answer to this might be straightforward I'm struggling with this
issue for weeks now :
I have a shapefile (only one polygon) and a raster (.tif). I would like to know
the value of each pixel on the raster which overlap wi
Dear list member,
Although the answer to this might be straightforward I'm struggling with this
issue for weeks now :
I have a shapefile (only one polygon) and a raster (.tif). I would like to
know the value of each pixel on the raster which overlap with the polygon in
the shapefile.
I ha
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