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  3. Nonlinear Modeling with Generalized Additive Models (GAMs) in R

Exercise

Reading model diagnostics

gam.check() helps you understand whether you have enough basis functions to model the data.

After running checks on the model, answer the following question:

Which smooths do not have sufficient numbers of basis functions?

Instructions 1/2

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Print diagnostics on model (mod) basis size and plots of model residuals.