Exercise

Plotting pollution in different land uses

You can observe the differences between different continuous-categorical interaction types by visualizing them. Here, you'll look at the different ways the by-type and factor-smooth-type interactions are plotted, and see how the approaches fit the models differently.

Both the models (mod_sep and mod_fs) from the previous exercise are available in your workspace.

Instructions 1/2

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Plot both models using the plot() function, using the pages argument to keep all terms on one plot.

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Instructions 1/2

Exercise