[datatable-help] Random effects in GAMs

Michael Nelson michael.nelson at sydney.edu.au
Fri Feb 12 07:25:14 CET 2016


This is not the mailing list you are looking for.

Datatable-help is for help about datatable.

That being said

Ngo, L. and Wand, M.P. (2004).
Smoothing with Mixed Model Software.
Volume 9, 2004, Issue 1 of Journal of Statistical Software, 1-54.

Provide a great walk through on how additive models can be fitted using mixed models and random effects.





On 12 Feb 2016, at 12:57 PM, Julian Chen <power.julian.chen at gmail.com<mailto:power.julian.chen at gmail.com>> wrote:

I am now trying to use random effects in GAMs developed by Professor Simon
Wood. Prof Wood uses  s(...,bs="re") to account for the random effects.
Random intercepts models or random slopes models are two different types of
mixed linear models or general random effects model (Cameron and Trivedi,
2005). I wonder if the Wood's method includes both random intercepts and
random slopes. Based on my understanding, this method does? Anyone can help
me clarify this method? The following is the link of Random effects in GAM
developed by Prof Wood.

https://stat.ethz.ch/R-manual/R-devel/library/mgcv/html/random.effects.html



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