
GAM optimization methods in mgcv R package - which to choose?
Sep 4, 2017 · In mgcv there are various methods to finding the smoothing parameter, lambda, such as GCV and ML/REML. GCV works by minimizing predictive error, but is subject to …
Model smoothness selection for GAMs: GCV vs. REML vs. ML?
Mar 9, 2021 · Model smoothness selection for GAMs: GCV vs. REML vs. ML? Ask Question Asked 4 years, 9 months ago Modified 1 year, 5 months ago
AIC, BIC and GCV: what is best for making decision in penalized ...
Jul 20, 2014 · AIC, BIC and GCV: what is best for making decision in penalized regression methods? Ask Question Asked 11 years, 5 months ago Modified 6 years, 1 month ago
The cross validation (CV) and the generalized cross validation (GCV ...
His treatment integrates GCV in general with applications in regression and logistic regression. If you look at the ESL book, p 244, you see basically the same symbology.
regression - How I can interpret GAM results? - Cross Validated
Jan 11, 2016 · I have a question about Generalized Additive Models. What is deviance explained, GCV score and scale est in GAM results? What do these indicators show?
r - Are absolute values of GCV meaningful for GAMs fit to different ...
Sep 21, 2017 · The GCV score, $\mathcal {V}_g$, therefore depends on the units of the response and/or on the specific data used in the model. As such you cannot compare, in a meaningful …
r - Smoothing methods for gam in mgcv package? - Cross Validated
Oct 31, 2016 · The default setting in gam is the thin plate spline. So I was wondering what it basically does. From my understanding so far, the advantage in that method is, that you don't …
Choosing k in mgcv's gam () - Cross Validated
Jul 29, 2018 · 9 This post (link below) alludes to setting the basis dimension to -1 (k = -1) as automatically choosing the number of knots via Generalized Cross Validation (GCV) in R's …
R Ridge Regression: Choosing best lambda - Cross Validated
Jun 22, 2019 · Yes, you want the lambda that minimizes GCV. MASS's lm.ridge doesn't choose a default lambda sequence for you. Look at this question which talks about good default choices …
GAM Leave one out cross validation (LOOCV) for biggish models
Dec 20, 2024 · I have fitted a relatively complex/large generalized additive model for prediction purposes but would like to assess its predictive power/cross-validate it. Due to variability in …