sorry... I already got it!

2008/12/22 Annachiara Saguatti <annachiara.saguatti@gmail.com>

> Hello,
>
> I'm writing to know if there is formula which allows to estimate a spatial
> error model with spatial regimes similar to the one used for a spatial lag
> model (that is formula=y~factor/(x1, x2, ...)-1, ...).
> Unfortunately all the workbooks and tutorials that I've found so far only
> make examples with the "lagsarlm" function and not with the "errorsarlm"
> one.
> I've tried to apply the same formula, but an error appears, saying that the
> system is numerically singular.
>
> Thanks,
>
> Annachiara Saguatti
>

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