Exercise

Returning many things

Functions can only return one value. If you want to return multiple things, then you can store them all in a list.

If users want to have the list items as separate variables, they can assign each list element to its own variable using zeallot's multi-assignment operator, %<-%.

glance(), tidy(), and augment() each take the model object as their only argument.

The Poisson regression model of Snake River visits is available as model. broom and zeallot are loaded.

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Examine the structure of model.
Use broom functions to create a list containing the model-, coefficient-, and observation-level parts of model.