Regression Analysis

In this chapter, we introduce regression analysis andRegression analysis some of its applications in data scienceData science. Regression is related to how to make predictions about real-world quantities such as, for instance, the predictions alluded to in the following questions. How does sales volume change with changes in price? How is sales volume affected by the weather? How does the title of a book affect its sales? How does the amount of a drug absorbed vary with the patient’s body weight; and does this relationship depend on blood pressure? At what time should I go home to avoid traffic jams? What is the chance of rain on the next two Mondays; and what is the expected temperature?