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University of Nebraska–Lincoln

Department of Statistics

Turning data into knowledge to solve real world problems


Stat 970: Linear Models

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Homework

  • Homework 1: Due Jan. 18
    1. Review Chapters 1 and 2.
    2. Problems: 1.13, 1.14, 1.15, 2.1, 2.2, 2.26, and 2.31
  • Homework 2: Due Jan. 20
    1. Review Chapter 3.
    2. Problems: 3.2, 3.5, and 3.7
    3. Download and run ancova.sas
    4. Modify and run ancova.sas to fit a model where the slope varies between treatment groups. What do you observe about the solutions using Proc Mixed, ginv(), and sweep()?
  • Homework 3 Due Jan. 27
       Updated: 01/19/06 at 08:22:04 AM
  • Homework 4 Due Feb. 3
       Updated: 01/24/06 at 01:08:25 PM
  • Homework 5 Due Feb. 10
       Updated: 02/10/06 at 07:58:30 AM
  • Homework 6 Due Feb. 24
       Updated: 02/17/06 at 08:34:53 AM
  • Homework 7 Due Mar. 3
       Updated: 02/23/06 at 01:31:20 PM
  • Homework 8 Due Mar. 10
       Updated: 03/02/06 at 04:28:01 PM
  • Homework 9 Due Mar. 24
       Updated: 03/09/06 at 02:14:45 PM
  • Homework 10: Due Apr. 14
    • Problems: 8.1, 8.2, 8.3, 8.5, and 8.6
  • Homework 11 Due Apr. 21
       Updated: 04/12/06 at 09:27:37 AM

Practice Problems

  • Distribution of quadratic forms
       Updated: 01/11/06 at 10:10:41 AM
    You should now be able to do "Distribution of quadratic forms" practice problems.
  • ANOVA
       Updated: 01/11/06 at 10:08:30 AM
    • oil.sas
         Updated: 04/07/06 at 07:47:54 AM
  • Balanced ANOVA
       Updated: 01/11/06 at 10:08:31 AM