Exercise

Identify variable types

It's always useful to start your exploration of a dataset by identifying variable types. The results from this exercise will help you design appropriate visualizations and calculate useful summary statistics later in your analysis.

Instructions

100 XP

Explore the evals data once again with the following goals in mind: (1) Identify each variable as numerical or categorical. (2) If numerical, determine if it is discrete or continuous. (3) If categorical, determine if it is ordinal or not.
We've created a vector of variable names in the editor called cat_vars. To test your understanding of the data, remove the names of any variables that are not categorical.