Lesson 17

November 11, 2014

Tue, Nov 11

Review:

• Multiple Regression homework: black_7e_excel_database

Presentation:

• Indicator (dummy) variables
• Final Project

Assignment:

• Use the Manufacturing data (from Problem 1 on p. 549)
  • Create indicator variables using the “Value of Indus. Shipmnts” field, coded from 1 to 4.
  • Rerun your regression model including the Indicator variables.
  • Post regression output to your blog and comment on the impact of the Indicator variables.
• Use the Annual Food Spending data (from Problem 4 on p. 549)
  • Create indicator variables using the “Region” and “Location” fields
  • Rerun your regression model including the Indicator variables.
  • Post regression output to your blog and comment on the impact of the Indicator variables.

Reading:

• Ch 14 p. 566-569 Indicator (Dummy) Variables