Dear R users,
I have a question regarding accounting for spatioautocorrelation in the
residuals of gls models. I would like the error term of my GLS model (in
the nlme package) to account/control for spatialautocorrelation among my
sample units. So I use a model that looks something along the li
Dear R users,
I have a question regarding accounting for spatioautocorrelation in the
residuals of gls models. I would like the error term of my GLS model (in
the nlme package) to account/control for spatialautocorrelation among my
sample units. So I use a model that looks something along the li
r does not
> ensure that a reasonable answer can be extracted from a given body of
> data.
> ~ John Tukey
>
> -Oorspronkelijk bericht-
> Van: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Namens [EMAIL PROTECTED]
> Verzonden: woensdag 2 juli 2008 12:29
> Aan: r-help@r-project
juli 2008 12:29
Aan: r-help@r-project.org
Onderwerp: [R] Correlation structures in gls with repeated measurements
Hi,
I am trying include a spatial correlation structure into a gls model but
keep getting the following error:
> ocean<-read.table("C:\\oceanography2.txt",header=TRUE
Hi,
I am trying include a spatial correlation structure into a gls model but
keep getting the following error:
> ocean<-read.table("C:\\oceanography2.txt",header=TRUE)
> library(nlme)
> YEAR<-as.factor(ocean$YEAR)
>group<-groupedData(san_dens~temp_grad*pyc_grad*start_thermo|YEAR,data=ocean)
>
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