Overview | 1. Data and variables | 2. Space-time GAM contruction and considertations | 2.1 Overview | 2.2 Space-time GAMs | 2.3 Space-time GAM Refinement II: Effect size | 2.4 Space-time GAM Refinement III: k the number of knots | 2.5. Extracting, summarising and plotting the coefficients | title | plot | join to the grid | select the variables and pivot longer | rename and select with transmute | make the new time object a factor (to enforce plotting order) | 4. and plot | adjust default shading | facet | apply and modify plot theme | 2.6 Summary | 3. Working with stgam: model selection | 3.1 Using AIC to evaluate models | 3.2 Model selection: determining GAM form | 3.3 The 'best' model | 3.4 Plot and map the results | 3.5 Summary | 3.6 Useful resources | 3.7 Final words | References

Overview | 1. Data considerations | map the data layers | 2. Detecting variability | 2.1 Initial investigations with OLS and dummy variables | 2.2 Detecting variability using GAM smooths | create simulated data | plot x and y | 2.3 Temporal variability | 2.4 Spatial variability | the second GAM | 2.5 Space-time variability I | 2.6 Space-time variability II | 2.8 Summary | References