[R-sig-Geo] kriging on street grid

[Hisaji ONO]

Hello.

 Following papaer may be helpful.

 OKABE, A., SATOH, T. and SUGIHARA, K. "A KERNEL DENSITY
ESTIMATION METHOD FOR NETWORKS,
　ITS COMPUTATIONAL METHOD, AND A GIS-BASED TOOL",
Discussion Paper, No. 80, Center for Spatial Information
Science, Univ. of Tokyo, 
http://www.csis.u-tokyo.ac.jp/dp/89.pdf


 However, this SANET seems to support kriging.

 SANET will be available from
http://ua.t.u-tokyo.ac.jp/okabelab/atsu/sanet/sanet-index.html,
thoughI've nver used it.


Regards.


--- Markus Loecher <mao.loecher at gmail.com> wrote:

> Dear geo experts,
> has anyone looked into kriging of spatial processes
> that do not live in a 2D
> continuum but instead are constrained to a
> network/graph (e.g. a street
> grid) ?
> Clearly, distances need to be redefined but more
> than that, the covariance
> matrix is a very different animal.
> 
> Thanks!
> 
> Markus
> 
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