[R] Using Lagsarlm

Roger Bivand Roger.Bivand at nhh.no
Fri Dec 10 13:16:31 CET 2010

This has been answered offlist (the poster also wrote directly to me as
package maintainer, but did not post on the R-sig-geo list, as would have
seemed natural). The resolution was to read ?formula, and to use either
errorsarlm() or lagsarlm() in spdep with formula=y ~ 1. Apparently an
insurance analyst in a hurry ...


Saswati Neogi wrote:
> I'm trying to use the spdep package to calculate this:
> y = rho W y + e
> I don't want to use explanatory variables, just the lag from the dependent
> variable.
> How would I code this?
> ______________________________________________
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.

Roger Bivand
Economic Geography Section
Department of Economics
Norwegian School of Economics and Business Administration
Helleveien 30
N-5045 Bergen, Norway

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