Leverage, Influence, and Indicator Variables

Week 8: October 16 and October 18

MATH 665 ~ Applied Regression Analysis and Experimental Design ~ Fall 2006


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Class meeting schedule and topics

Monday, October 16 ~ Leverage and influence
Wednesday, October 18 ~ Indicator variables
Monday, October 23 ~ Fall Recess ~ no class

Homework Assignments

  1. Due Monday, October 16

    Required work

    • Read Chapter 6 on "Diagnostics for Leverage and Influence"
    • Exercise 5.5 on page 202 and any one of Exercises 5.7, 5.8, and 5.9 on page 203

    Optional work

    • Test 1 revisions (turn in original to receive credit)
    • Exercises 5.1 through 5.4, 5.6, and the other two of 5.7, 5.8, and 5.9

  2. Due Wednesday, October 18

    Required work

    • Read Chapter 8 on "Indicator Variables"
    • Any one of Exercises 5.10 and 5.11 on pages 203 through 205

    Optional work

    • The other one of Exercises 5.10 and 5.11, and Exercises 5.12 through 5.16

  3. Due Wednesday, October 25

    Required work

    • Read Chapter 9 on "Variable Selection and Model Building"
    • Any one of Exercises 6.1 through 6.9 on page 219

    Optional work

    • Any of the others selected from Exercises 6.1 through 6.9

  4. Due Monday, October 30

    Required work

    • Review Chapter 9 on "Variable Selection and Model Building"
    • Exercises 8.13 and 8.14 on page 290

    Optional work

    • Exercises 8.1 through 8.11 on pages 287 through 289


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