Exercise

Creating a Factor

The term factor refers to a statistical data type that is used to store categorical variables. The difference between a categorical variable and a continuous variable is that a categorical variable can belong to a limited number of categories. A continuous variable, however, can correspond to an infinite number of values.

The mode of a factor is numeric.
The class of a factor is factor.

To create factors in R you make use of the function factor().

Instructions

100 XP

Call the function factor() on the vector country and assign it to the variable country.

Take Hint (-30 XP)