R: [R] loess significance

[Vito Muggeo]

Dear Aurélie,
I think that for *fixed* (i.e. assumed known) amount of smoothing, you can
use a simple LRT by comparing the two candidate models.

BTW, have a look to the mgcv or gam packages for a general model-based
approach.


----- Original Message -----
From: Aurélie Coulon <coulon at toulouse.inra.fr>
To: <r-help at stat.math.ethz.ch>
Sent: Thursday, October 21, 2004 8:37 AM
Subject: [R] loess significance


Dear list,

I would like to know it is possible to test the significance of a loess ; in
other words, I would like to know if the loess I got is significantly
different from a linear model.

Thanks.


Aurélie Coulon.



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