15.071 | Spring 2017 | Graduate

The Analytics Edge

3.2 Modeling the Expert: An Introduction to Logistic Regression

3.2 Modeling the Expert: An Introduction to Logistic Regression

Quick Question

Which of the following dependent variables are categorical? (Select all that apply.)

 
 
 
 
 
 

Explanation The weekly revenue of a company is not categorical, since it has a large number of possible values, on a continuous range. The number of daily car thefts in New York City is also not categorical because the number of car thefts could range from 0 to hundreds. On the other hand, the other options each have a limited number of possible outcomes.

Which of the following dependent variables are binary? (Select all that apply.)

 
 
 
 
 
 

Explanation The only variables with two possible outcomes are the winner of an election with two candidates, and whether or not revenue will exceed $50,000.

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Spring 2017
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