Thank you very much Roger!

That works perfectly!


2014-08-06 13:08 GMT+02:00 Roger Bivand <Roger.Bivand@nhh.no>:

> On Wed, 6 Aug 2014, Janka VANSCHOENWINKEL wrote:
>
>  Dear list members,
>>
>> I am sorry that I am going to repeat my question. I do not want to insist,
>> but since I sent it right before the weekend, the timing was probably not
>> so good and I thought it would be good to give it a second chance.
>>
>> I am trying to reproduce table 2.1 (p. 41) of LeSage and Pace (2009).
>>
>> This is a table containing the direct, indirect and total impacts of a SAR
>> model (since the regression coefficients cannot be interpreted directly
>> because of spillovers), *partitioned by W-order*.
>>
>>
>> I am able to produce the first part of the table ( impacts() in R ), but
>> for the moment I don't have a clue on *how to split these impacts per
>> power
>> of W*. I would like to do this both for a SAR and for a SDM model.
>>
>>
> Please see the Q= argument in ?impacts. Setting Q=# should give # splits
> for the first # powers.
>
> Roger
>
>  Please, could somebody give me a hint on how to do this? I would be very
>> grateful!
>>
>> Thank you very much in advance,
>>
>> Janka
>>
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>>
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>>
> --
> Roger Bivand
> Department of Economics, Norwegian School of Economics,
> Helleveien 30, N-5045 Bergen, Norway.
> voice: +47 55 95 93 55; fax +47 55 95 91 00
> e-mail: Roger.Bivand@nhh.no
>
>

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