I am running R 2.11.0 32 bit on a 32 bit vista OS and spgwr version 0.6-8.
-Seth
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Hi,
I'm trying to calculate the hat matrix for gwr by hand using matrix
manipulation in R. The hope is that once I get it to match the output that gwr
gives, I can do the matrix algebra row-/column-wise. This will allow me to
estimate the effective number of parameter using the trace of the h
From: Seth J Myers
Sent: Saturday, June 19, 2010 3:01 PM
To: r-sig-geo@stat.math.ethz.ch
Subject: edge/boundary delineation in R?
Hi,
Sorry if you see this twice. I submitted this a few days ago but have not seen
it on the listserv.
I need to
Hi,
I'm running R 2.11.0 on a 32 bit Windows Vista machine. I have new versions of
all relevant libraries installed. I have been reading from IDRISI .rst files
and this works fine using raster() and getValues(). I have passed the values
from the .rst files through another R object and would
I disobeyed my firm rule, never right emails without careful thought after
several hours of analysis and 3 beers on a saturday night ;) -Seth
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Hi,
I use IDRISI as my main raster GIS program and R for stats. IDRISI has an
export to s-plus function that allows you to mask a raster file for sampling
and then export into a format that supposedly works with s-plus. What this
ends up being is a .txt file with spaces between adjacent colum
Hi everyone,
This is a bit long-winded, but I respect everyone's mind on this list and would
like any criticism and suggestion, if your time allows.
I would like to include a spatially-lagged variable in logistic regression in
order to decrease some autocorrelation problems in a land-use change
Hi everyone,
I'm trying to model a binary response using logistic regression for a large
data set with spatial autocorrelation issues. The mixed models in SAS and R
that can include spatially correlated errors cannot handle the large NxN matrix
needed for their methods. Past around 700 meters
Hi,
First post, thanks for this list. I've just spent the last few days learning
how to use ggwr in spgwr. I fit a glm with family=binomial(link="logit"), and
have discovered how to export my SpatialPointsDataFrame as a text file so I can
work with it in other packages I'm more familiar with
