[GRASSLIST:1574] Re: interpolate nominal values

[Edzer J. Pebesma]

> I want to interpolate nominal data (soil types as point information).
> Which possibilities do I have, what's the best method? -Any
> experiences, suggestions?

They're hard to interpolate. Nearest neighbour (forming thiessen polygon) seems
a useful action; indicator simulation another one. Most interpolation methods
are based on weighted averages, and are therefore only suitable to
interval/ratio
data. Don't use them.
--
Edzer