Re: [R-sig-Geo] computing the hat matrix for gwr in spgwr?

2010-08-04 Thread Roger Bivand
On Wed, 4 Aug 2010, Seth J Myers wrote: Hi, I'm trying to calculate the hat matrix for gwr by hand using matrix manipulation in R. The hope is that once I get it to match the output that gwr gives, I can do the matrix algebra row-/column-wise. This will allow me to estimate the effective

[R-sig-Geo] computing the hat matrix for gwr in spgwr?

2010-08-03 Thread Seth J Myers
Hi, I'm trying to calculate the hat matrix for gwr by hand using matrix manipulation in R. The hope is that once I get it to match the output that gwr gives, I can do the matrix algebra row-/column-wise. This will allow me to estimate the effective number of parameter using the trace of the