idw                      Inverse distance weighted average
krige.cell               ~~function to do ... ~~
krige.cell.pts           ~~function to do ... ~~
krige.grid               Universal kriging on a rectangular grid
krige.map                A Kriging map object
krige.solve              ~~function to do ... ~~
krige.tiles              Universal kriging on a rectangular blocked grid
plot.krige.map           Plot function for kriging objects
