Hi,

GWR calibration is based on the matrix computation, and missing data is not
allowed. For each sampling data point, all the values for both dependent and
independent variables have to be avilable for GWR model calibration. Hope it
helps.

Binbin

2011/10/18 Jin Minming <jminming@yahoo.com>

> Dear all,
>
> I try to use GWR analysis in spgwr package.  Some data for depedent
> variable is missing in this polygon dataset. I have tried to use SAR or CAR
> method and they works well. But when I use GWR in spgwr package, I got an
> error message,
> new data matrix rows mismatch
> This is because GWR in spgwr cannot handle missing data or I made some
> mistakes?
>
> Thanks,
>
> Jim
>
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>
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