Answer Key

1. What is the difference between a function and an argument?

   A function is a procedure that takes an object and applies arguments, or parameters of a function, that subsequently outputs something new.

2. What function would we use to gather information about our shapefile’s current projection?

   We would use st_crs.

3. When we use tm_shape(chi_comm), what are we doing?

   We are defining the shapefile to be used in the line of code.

4. How do we pull up the attribute table in R?

   By using the View(your_data) function.

5. What does your final map look like?

   Something like this:

6. Bonus question: The challenger question’s final map should look something like this: