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Homework Guidelines

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Chapter

Assignment

Due

1 1.21  
5 To be done by hand: 5.1, 5.2 (Assignment) 1/17/2008
5 To be done by hand: 5.8, 5.10(Matrix A only) (Assignment) 1/22/2008
5 To be done using SAS Proc IML: 5.5, 5.11, 5.24 (Assignment) 1/29/2008
3 3.6abc, 3.16acdef

Use NORMTEST macro for 3.6c & 3.16e

1/29/2008
6 6.5abcd, 6.6ab, 6.7, 6.8 1/31/2008
7 7.3, 7.24 2/5/2008
7 7.7, 7.8, 7.10, 7.27 2/7/2008
8 8.6, 8.7a, 8.11, 8.25 2/12/2008
9 Using the data from 9.10, and using only the first order terms in the pool of potential predictor variables, find the best model using each of the following:
a.   All Possible Regressions (using R2 and Cp)
b.   Backward Elimination
c.   Forward Selection
d.   Stepwise Regression
e.   Maximum R2 Improvement
2/12/2008
10 10.5ab

Using the data from 10.9, use influence diagnostics to determine any influential observations (R, INFLUENCE)

Using the data from 10.15, determine the variance inflation factors and use the matrix of variance proportions to assess the presence of multicollinearity (COLLIN, VIF)

2/21/2008
  Capstone Regression Homework

The SMSA Dataset
   Description
   SAS code for inputting dataset
   The dataset

   SAS code to obtain the solution

2/26/2008
Midterm Exam 4/3/2008
16 ANOVA using GLM and REG 3/25/2008
16, 17, 18 16.12

17.1, 17.13, 17.26(contrasts only)

18.9a (using the residuals and also the studentized residuals)

18.9b (use the results from the NORMTEST macro only)

3/25/2008
19 19.14, 19.15abcdf, 19.32 4/15/2008
24 24.12a, 24.12b (test for normality)

24.13abcdeg

24.14

4/15/2008
22 Data from 22.11:

a. Test residuals for normality

b. Test for interaction between treatment factor and covariate

c. If appropriate, test for relationship between covariate and response variable

d. If appropriate, test for treatment effect.

e. If appropriate, make all pairwise comparisons between treatment levels, using the Tukey procedure at the 95% level of confidence.

SAS code producing solution

4/15/2008
21 21.7abc, 21.8acdef 4/17/2008
26 26.4, 26.5, 26.6 4/24/2008
27 27.6abc, 27.7abc, 27.9 4/24/2008
27 27.13, 27.15 4/24/2008
27 27.16, 27.17  
Final Exam 4/29/2008