[GRASS-stats] using LOESS on spatial data

[Jarek Jasiewicz]

>
> Like most non- and semi-parametric methods, that depends on your 
> definition of proper. In mgcv, gam() uses cross-validation to choose 
> the smoothing parameters. You might do something similar to choose the 
> span= argument. If you have traning and testing data sets, you can see 
> how well loess predicts the test data given the training data.
>
> Hope this helps,
>
> Roger
>
tahanks. I will follow.
regards
Jarek