GAM Overview - PennBBL/groupAnalysis GitHub Wiki
This page gives you an overview about the different questions that can arise related to the use of generalized additive models and the respective wikipedia entries that answer them.
- Generalized Additive Model (for Cross-sectional data)
- Implementation
- Data interpretation
- Plotting
- Fitting categorical by non-linear interaction
- Generalized Additive Mixed Model (for Longitudinal Data)
- Implementation
- Plotting
- For interpretation please consult here
- For interactions please consult here
- Testing for non-linearity in the data
- In cross-sectional data
- In longitudinal data
- Model comparison using parametric bootstrap
- Includes example testing for non-linear by linear interactions