EXERCISES
CLARIFYING THE CONCEPTS
- What are the three cases of regression response variables discussed in this chapter?
- What category of regression models includes all three cases of response variables?
- What do we call the linear predictor? How to we write it in its abbreviated form?
- The link function connects what two things? How do we write it in its abbreviated form?
- What is the link function for linear regression?
- What kind of regression should we use when trying to predict a binary response variable?
- What is the link function for logistic regression?
- Are the predicted values from logistic regression probabilities or binary values?
- What is the descriptive form of the logistic regression model?
- What kind of regression should we use when trying to predict a count response variable?
- What is the link function for Poisson regression?
- What is the descriptive form of the Poisson regression model?
WORKING WITH THE DATA
For the following exercises, work with the clothing_sales_training...