Re: [R] nlme: spatial autocorrelation on a sphere

2012-10-03 Thread Spencer Graves
-- a quick look suggests that the problem *might* be that it inherits from 'corSpatial', and there's some hard-coded stuff in there. If I get a chance I will look further, but I don't think you're missing something obvious (unfortunately). Ben Bolker ___

Re: [R] nlme: spatial autocorrelation on a sphere

2012-10-03 Thread Dan Bebber
27;pseudo-spatial' corStructs such as corBrownian etc. > (in the ape package) *do* work, so I'm not sure exactly why > corRSpher doesn't -- a quick look suggests that the problem *might* > be that it inherits from 'corSpatial', and there's some hard-coded > s

Re: [R] nlme: spatial autocorrelation on a sphere

2012-10-01 Thread Dan Bebber
ssful. Dan From: Spencer Graves [spencer.gra...@prodsyse.com] Sent: 02 October 2012 04:29 To: Dan Bebber Cc: David Winsemius; r-help@r-project.org Subject: Re: [R] nlme: spatial autocorrelation on a sphere Hi, Dan: On 10/1/2012 8:07 PM, Dan Bebber wrote: > Please be ass

Re: [R] nlme: spatial autocorrelation on a sphere

2012-10-01 Thread Spencer Graves
Modeling for Data Fusion and Spatial Heteroskedasticity with R Package ramps. Journal of Statistical Software 25(10) From: David Winsemius [dwinsem...@comcast.net] Sent: 01 October 2012 17:32 To: Spencer Graves Cc: Dan Bebber; r-help@r-project.org Subject: Re:

Re: [R] nlme: spatial autocorrelation on a sphere

2012-10-01 Thread Dan Bebber
___ From: David Winsemius [dwinsem...@comcast.net] Sent: 01 October 2012 17:32 To: Spencer Graves Cc: Dan Bebber; r-help@r-project.org Subject: Re: [R] nlme: spatial autocorrelation on a sphere On Oct 1, 2012, at 8:34 AM, Spencer Graves wrote: > On 10/1/2012 12:38 AM,

Re: [R] nlme: spatial autocorrelation on a sphere

2012-10-01 Thread David Winsemius
On Oct 1, 2012, at 8:34 AM, Spencer Graves wrote: > On 10/1/2012 12:38 AM, David Winsemius wrote: >> > >> LMCTVTFY: http://cran.r-project.org/web/views/Spatial.html >> > > > What's LMCTVIFY? Please accept my apologies for attempting to be cute and I also apologize to Mr Bebber for rea

Re: [R] nlme: spatial autocorrelation on a sphere

2012-10-01 Thread David Winsemius
class corStruct. -- David. > Dan > > From: David Winsemius [dwinsem...@comcast.net] > Sent: 01 October 2012 08:38 > To: Dan Bebber > Cc: r-help@r-project.org > Subject: Re: [R] nlme: spatial autocorrelation on a sphere > > On Sep 30, 2012, at 6:48 P

Re: [R] nlme: spatial autocorrelation on a sphere

2012-10-01 Thread Spencer Graves
ber 2012 08:38 To: Dan Bebber Cc: r-help@r-project.org Subject: Re: [R] nlme: spatial autocorrelation on a sphere On Sep 30, 2012, at 6:48 PM, Dan Bebber wrote: I have spatial data on a sphere (the Earth) for which I would like to run an gls model assuming that the errors are autcorrelated, i.e

Re: [R] nlme: spatial autocorrelation on a sphere

2012-10-01 Thread Dan Bebber
imagine it must be possible for nlme. Dan From: David Winsemius [dwinsem...@comcast.net] Sent: 01 October 2012 08:38 To: Dan Bebber Cc: r-help@r-project.org Subject: Re: [R] nlme: spatial autocorrelation on a sphere On Sep 30, 2012, at 6:48 PM, Dan Bebber

Re: [R] nlme: spatial autocorrelation on a sphere

2012-10-01 Thread David Winsemius
On Sep 30, 2012, at 6:48 PM, Dan Bebber wrote: > I have spatial data on a sphere (the Earth) for which I would like to run an > gls model assuming that the errors are autcorrelated, i.e. including a > corSpatial correlation in the model specification. > > In this case the distance metric shoul

[R] nlme: spatial autocorrelation on a sphere

2012-09-30 Thread Dan Bebber
I have spatial data on a sphere (the Earth) for which I would like to run an gls model assuming that the errors are autcorrelated, i.e. including a corSpatial correlation in the model specification. In this case the distance metric should be calculated on the sphere, therefore metric = "euclid